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Submersible Ultraviolet Clarifier / Sterilizer
Pondmaster offers submersible UV Clarifiers with the glowing monitor halo ring that immediately shows it's working. UV Sterilizer can also be placed outside the pond. Each UV Clarifier / Sterilizer includes a 9000 hour bulb, water tight quartz sleeve, transformer and 18' power cord. Kill Algae and control Algae Blooms with the submersible vortex flow design that exposes water longer to ultraviolet light Glowing halo ring visible from any angle immediately shows it's working Black color is unobtrusive whether used in or out of the water 1 Year limited manufacturers warranty (lamp and quarts sleeve excluded) The black color makes it unobtrusive wherever it's used. Visible during the day and night from any angle, the soft blue halo shows it's working but does not detract from the beauty of your pond. These lights offer great value along with ease of use unsurpassed by any other ultraviolet sterilizer.UV Light Specifications:10 Watt UV - 700 GPH Max - 3/4" Barb Inlet/Outlet20 Watt UV - 1,800 GPH Max - 1" Barb Inlet/Outlet40 Watt UV - 2,400 GPH Max - 1.5" Barb Inlet/OutletUV Light Dimensions:10 Watt UV - 1 Light Halo - (12"L x 4"W)20 Watt UV - 2 Light Halos - (18"L x 4"W)40 Watt UV - 3 Light Halos - (24"L x 4"W)When to use a UV Sterilizer:Most Koi keepers will keep their unit(s) on year round. But for small garden ponds you may find that only in the spring, with the combination of longer days and an upsurge in fish activity, is UV necessary. If you do run your UV year-round, it must be protected from frost in a well-ventilated housing. Remember it is important to replace your UV lamps annually for peak performance.

Submersible Ultraviolet Clarifier / Sterilizer

Pondmaster offers submersible UV Clarifiers with the glowing monitor halo ring that immediately shows it's working. UV Sterilizer can also be placed outside the pond. Each UV Clarifier / Sterilizer includes a 9000 hour bulb, water tight quartz sleeve, transformer and 18' power cord. Kill Algae and control Algae Blooms with the submersible vortex flow design that exposes water longer to ultraviolet light Glowing halo ring visible from any angle immediately shows it's working Black color is unobtrusive whether used in or out of the water 1 Year limited manufacturers warranty (lamp and quarts sleeve excluded) The black color makes it unobtrusive wherever it's used. Visible during the day and night from any angle, the soft blue halo shows it's working but does not detract from the beauty of your pond. These lights offer great value along with ease of use unsurpassed by any other ultraviolet sterilizer.UV Light Specifications:10 Watt UV - 700 GPH Max - 3/4" Barb Inlet/Outlet20 Watt UV - 1,800 GPH Max - 1" Barb Inlet/Outlet40 Watt UV - 2,400 GPH Max - 1.5" Barb Inlet/OutletUV Light Dimensions:10 Watt UV - 1 Light Halo - (12"L x 4"W)20 Watt UV - 2 Light Halos - (18"L x 4"W)40 Watt UV - 3 Light Halos - (24"L x 4"W)When to use a UV Sterilizer:Most Koi keepers will keep their unit(s) on year round. But for small garden ponds you may find that only in the spring, with the combination of longer days and an upsurge in fish activity, is UV necessary. If you do run your UV year-round, it must be protected from frost in a well-ventilated housing. Remember it is important to replace your UV lamps annually for peak performance.


Green Free Ultraviolet Clarifier - (New Version)
TetraPond Green Free Ultraviolet Clariers kills algae so quick that it doesn't even stand a chance against this UV lamp and stainless steel reflector. A quartz sleeve will help protect your UV Clarifier lamp from any debris and lamps last up to 11 months of constant use. Easy to Unstall & Minimal effort to maintain Enjoy a Clean & Clear Pond free of green algae Convenient viewing window allows you to easily see when the lamp is on or off Durable Non-submersible UV Sterilizer with 18 foot power cord and weather resistant housing Tetra Pond Greenfree UV Sterilizer Specifications:5 Watt GreenFree UV -Barb Fitting for 3/4", 1", 1-1/4"- soft tubing (330 GPH - Ponds up to 660 Gallons)9 Watt GreenFree UV - Barb Fitting for 3/4", 1", 1-1/4"- soft tubing (900 GPH - Ponds up to 1,800 Gallons)18 Watt GreenFree UV - Barb Fitting for 3/4", 1", 1-1/4"- soft tubing (2,200 GPH - Ponds up to 4,400 Gallons)36 Watt GreenFree UV - Barb Fitting for 3/4", 1", 1-1/4"- soft tubing (4,400 GPH - Ponds up to 8,800 Gallons)

Green Free Ultraviolet Clarifier - (New Version)

TetraPond Green Free Ultraviolet Clariers kills algae so quick that it doesn't even stand a chance against this UV lamp and stainless steel reflector. A quartz sleeve will help protect your UV Clarifier lamp from any debris and lamps last up to 11 months of constant use. Easy to Unstall & Minimal effort to maintain Enjoy a Clean & Clear Pond free of green algae Convenient viewing window allows you to easily see when the lamp is on or off Durable Non-submersible UV Sterilizer with 18 foot power cord and weather resistant housing Tetra Pond Greenfree UV Sterilizer Specifications:5 Watt GreenFree UV -Barb Fitting for 3/4", 1", 1-1/4"- soft tubing (330 GPH - Ponds up to 660 Gallons)9 Watt GreenFree UV - Barb Fitting for 3/4", 1", 1-1/4"- soft tubing (900 GPH - Ponds up to 1,800 Gallons)18 Watt GreenFree UV - Barb Fitting for 3/4", 1", 1-1/4"- soft tubing (2,200 GPH - Ponds up to 4,400 Gallons)36 Watt GreenFree UV - Barb Fitting for 3/4", 1", 1-1/4"- soft tubing (4,400 GPH - Ponds up to 8,800 Gallons)


Pressurized UV Bio Pond Filter
Fish Mate Pressurized UV BIO Pond Filter combines UV clarification and biological filtration to guarantee crystal clear purified water. Allows for easy installation above or below ground. Colored green to blend easily with natural surroundings. Designed especially to power waterfalls! Inlet/Outlet .75" - 1".Included filter provides a three-step purification process. The first stage is algae destruction that kills aglae that cause green water by passing them in front of UV-C light. The second stage is mechanical filtration that traps algae clumps and other large particles. Stage three is biological purification where the water passes through the Fish Mate SUPRA Biological Filter Medium. The structure of SUPRA enables rapid growth of aerobic bacteria, resulting in the removal of lethal ammonia and nitrite. The 2000 and 3000 gallon models features POWERCLENZ, an automatic cleaning system providing pond keepers with less pond maintenance. Simply turn the knob to position "CLEAN" and the foam will be squeezed. The water pressure forces out pond sludge that may then be used elsewhere in the garden as a fertilizer.Kits do not include tubing. Includes Supra Biological Media. 15' UV Connection Cable. There is a 3 year warranty on the unit, and a 6 months warranty on the provided UV lamp. Includes UV light that clarifies water Three-stage purification process Easy installation and maintenance above or below ground

Pressurized UV Bio Pond Filter

Fish Mate Pressurized UV BIO Pond Filter combines UV clarification and biological filtration to guarantee crystal clear purified water. Allows for easy installation above or below ground. Colored green to blend easily with natural surroundings. Designed especially to power waterfalls! Inlet/Outlet .75" - 1".Included filter provides a three-step purification process. The first stage is algae destruction that kills aglae that cause green water by passing them in front of UV-C light. The second stage is mechanical filtration that traps algae clumps and other large particles. Stage three is biological purification where the water passes through the Fish Mate SUPRA Biological Filter Medium. The structure of SUPRA enables rapid growth of aerobic bacteria, resulting in the removal of lethal ammonia and nitrite. The 2000 and 3000 gallon models features POWERCLENZ, an automatic cleaning system providing pond keepers with less pond maintenance. Simply turn the knob to position "CLEAN" and the foam will be squeezed. The water pressure forces out pond sludge that may then be used elsewhere in the garden as a fertilizer.Kits do not include tubing. Includes Supra Biological Media. 15' UV Connection Cable. There is a 3 year warranty on the unit, and a 6 months warranty on the provided UV lamp. Includes UV light that clarifies water Three-stage purification process Easy installation and maintenance above or below ground


ProLine Low Pressurized UV Filter
Pondmaster Low Pressure UV Filters are pressurized pond filters with built in pressure gauges that monitor filter pressure to ensure the best pond filtration. UV Pressure Filters have an integrated UV filter light that eliminates green water. These Low Pressure UV Filters have mechanical and biological filtration, built-in pressure gauges to indicate when to backwash the filter, a 3-way master valve with "run" "rinse" and "backwash" settings, and a manually operated agitator to help reduce filter residue. Agitator unlocks waste from media saving the amount of water discharged during backwash and rinse cycles 3-way master valve locks into “run”, “rinse”, and “backwash” settings Clear-vue inspection port to monitor water clarity during backwash/rinse operation 1.5" threaded fittings, ball valves for waste line and swivel fitting included One year manufacturer warranty Positive pressure lock ring to ensure a tight water seal. Bio-Matrix™ Media affords maximum surface area for beneficial bacteria growth. Heavy duty poly canister can be buried for hidden installation. Integrated waterproof UV transformer. Optional field-installed bottom drain available (not included).PondMaster Pressurized Filter System P-2000:Pond size: Up to 2000 Gallons, Max Flow Rate: 3,000 GPH, Inlet/Outlet: 1.5" MPT, UV: Internal 20 Watt, Size: Filter is 16.5" diameter x 19" high.PondMaster Pressurized Filter System P-4000:Pond size: Up to 4000 Gallons, Max Flow Rate: 4,000 GPH, Inlet/Outlet: 1.5" MPT, UV: Internal 40 Watt, Size: Filter is 16.5" diameter x 26" high. Features a unique, manually operated agitator for dislodging over 90% of the pond residue that accumulates in the filter chamber. This patent pending feature is employed during the backwash and rinse operation.

ProLine Low Pressurized UV Filter

Pondmaster Low Pressure UV Filters are pressurized pond filters with built in pressure gauges that monitor filter pressure to ensure the best pond filtration. UV Pressure Filters have an integrated UV filter light that eliminates green water. These Low Pressure UV Filters have mechanical and biological filtration, built-in pressure gauges to indicate when to backwash the filter, a 3-way master valve with "run" "rinse" and "backwash" settings, and a manually operated agitator to help reduce filter residue. Agitator unlocks waste from media saving the amount of water discharged during backwash and rinse cycles 3-way master valve locks into “run”, “rinse”, and “backwash” settings Clear-vue inspection port to monitor water clarity during backwash/rinse operation 1.5" threaded fittings, ball valves for waste line and swivel fitting included One year manufacturer warranty Positive pressure lock ring to ensure a tight water seal. Bio-Matrix™ Media affords maximum surface area for beneficial bacteria growth. Heavy duty poly canister can be buried for hidden installation. Integrated waterproof UV transformer. Optional field-installed bottom drain available (not included).PondMaster Pressurized Filter System P-2000:Pond size: Up to 2000 Gallons, Max Flow Rate: 3,000 GPH, Inlet/Outlet: 1.5" MPT, UV: Internal 20 Watt, Size: Filter is 16.5" diameter x 19" high.PondMaster Pressurized Filter System P-4000:Pond size: Up to 4000 Gallons, Max Flow Rate: 4,000 GPH, Inlet/Outlet: 1.5" MPT, UV: Internal 40 Watt, Size: Filter is 16.5" diameter x 26" high. Features a unique, manually operated agitator for dislodging over 90% of the pond residue that accumulates in the filter chamber. This patent pending feature is employed during the backwash and rinse operation.


Gravity UV+Bio Pond Filter
The revolutionary design of Fish Mate UV+Bio Pond Filters combines UV clarification and biological filtration to guarantee crystal clear, purified water at a very attractive price. All models feature UV tubes positioned over the water, thus eliminating issues of scaling, quartz tube replacement and frost damage associated with conventional UV clarifiers. Fish Mate UV & Bio Pond Filter models require installation at or above desired outlet level e.g. at the top of a waterfall. Features:- Flip up lid for easy maintenance- Frostproof quart less UV chamber- Medium and large models feature removable media trays- Includes SUPRA bio media- Colored green to blend in with natural surroundings- 3 year guarantee- Pumps sold seperately!GUV Filter Specifications:500 GUV Pond Filter - Inlet diameter: 0.75"/1"Outlet diameter: 1.25"Power cable length: 16’Dimensions: L x W x H = 15" x 10" x 7"800 GUV Pond Filter -Inlet diameter: 0.75"/1"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 15.75" x 10.5" x 7.375"1200 GUV Pond Filter -Inlet diameter: 0.75"/1"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 15.75" x 10.5" x 7.375"2000 GUV Pond FIlter -Inlet diameter: 0.75"/1"/1.25"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 19" x 10.5" x 13.5"3000 GUV Pond Filter -Inlet diameter: 0.75"/1"/1.25"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 19" x 10.5" x 13.5"5000 GUV Pond Filter -Inlet diameter: 0.75"/1"/1.25"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 19" x 10.5" x 13.5"

Gravity UV+Bio Pond Filter

The revolutionary design of Fish Mate UV+Bio Pond Filters combines UV clarification and biological filtration to guarantee crystal clear, purified water at a very attractive price. All models feature UV tubes positioned over the water, thus eliminating issues of scaling, quartz tube replacement and frost damage associated with conventional UV clarifiers. Fish Mate UV & Bio Pond Filter models require installation at or above desired outlet level e.g. at the top of a waterfall. Features:- Flip up lid for easy maintenance- Frostproof quart less UV chamber- Medium and large models feature removable media trays- Includes SUPRA bio media- Colored green to blend in with natural surroundings- 3 year guarantee- Pumps sold seperately!GUV Filter Specifications:500 GUV Pond Filter - Inlet diameter: 0.75"/1"Outlet diameter: 1.25"Power cable length: 16’Dimensions: L x W x H = 15" x 10" x 7"800 GUV Pond Filter -Inlet diameter: 0.75"/1"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 15.75" x 10.5" x 7.375"1200 GUV Pond Filter -Inlet diameter: 0.75"/1"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 15.75" x 10.5" x 7.375"2000 GUV Pond FIlter -Inlet diameter: 0.75"/1"/1.25"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 19" x 10.5" x 13.5"3000 GUV Pond Filter -Inlet diameter: 0.75"/1"/1.25"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 19" x 10.5" x 13.5"5000 GUV Pond Filter -Inlet diameter: 0.75"/1"/1.25"Outlet diameter: 1.5"Power cable length: 16’Dimensions: L x W x H = 19" x 10.5" x 13.5"


Bio-Active Pressure Filter with Green Free UV Clarifier
The Tetra Bio-Active Pressure Filters with GreenFree UV Clarifier are designed similar and include the same benefits as the regular pressure filters. Use pumps between 2,500 - 4,500 GPH on all models 2 Year Manufacturer Warranty Pressure Filter & UV Sterilizer with easy Back Flush operation For Maximum Flow use with 1.5" ID tubing. Also fits with 1.25" ID tubing The Tetra UV Bio-Active Pressure Filter also integrates an Ultra-Violet Clarifier that provides permanent control of suspended algae which cause green water. The dome on top of the Tetra Bio-Active Pressure Filter protects the clarifier. Note: Do not use with pumps that exceed 4500 gallons per hour. This could damage the filter. Do not use pumps with flows less than 2500 gal/hr. A minimum of 2500 gallons per hour is necessary to perform the backflush operation. All pressure filters restrict the flow from your pump. Expect about a 45% reduction in the water flow through the filter.How It WorksMechanical Filtration: Pond water flows down through the bio-activators, which remove suspended debris and dirt from the water.Biological Filtration: Occurs on the massive surface areas found in the bio-activators. Beneficial bacteria will naturally colonize on the surface area and convert harmful pollutants in the water into relatively harmless nitrate, which are absorbed by the aquatic plants and from partial water changes. This is known as the "Nitrogen Cycle".Open Profile Bio-ActivatorsTetraPond's new Bio-Active Pressure Filters come equipped with open-profile bio-activators which offer superior filtration and backflush performance over closed bio-media and foam.These bio-activators have been perfected and used in the commercial aquaculture industry where demanding filtration is required due to extreme environmental conditions. The advanced technological design of the bio-activators provides a large active surface area for the beneficial bacteria to colonize.During the backflush operation, these bio-activators provide unrestricted water flow to all the surfaces so that dirt and debris are thoroughly removed while leaving the beneficial bacteria on the bio-activator surfaces intact and robust.Filtration Process Pump water from the pond to the pressure filter. Water is mechanically and biologically filtered. Filtered water is forced up the center tube. In models with a UV Clarifier, the UV light destroys the single-celled algae's ability to reproduce. Filtered water is forced under pressure to the waterfall or stream.Positioning Your Pressure FilterGeneral Installation Instructions: Position the pump far from the waterfall or stream for maximum pond circulation. Position the pressure filter anywhere around the pond. Since the discharge is under pressure, it may be located downhill from the waterfall if you choose. Connect pump to the filter with tubing. Connect filter discharge port to the waterfall with tubing.Caution: The discharge tubing ID should not be smaller than the intake tubing.Concealment Tips:The filter can be hidden behind rocks or bushes and can even be partially buried. If burying the filter, it is recommended that you place a plastic tub in the hole. This allows easier access to the latches, and makes it easier to remove the filter for winter storage. Plastic tubs are inexpensive and are widely distributed in stores selling hardware and houseware products. 20-gallon tubs are ideal for this use.Assembling the Pressure Filter for OperationBefore attaching tubing to the pressure filter, perform these simple assembly steps: Open filter lid. Remove bio-activators from vessel. (Bio-activators come in a separate plastic bag and are packed with the filter inside the sales box). Fill the filter vessel up to about 50% with pond water. Pour bio-activators in the vessel. Place lid back on and close.Note: It is very difficult to assemble the filter if the bio-activators are dry.Installation Option - Using a Tub Dig a hole about 3 in. deeper than the tub. Put a 3 in. layer of stones in the hole for drainage into the soil. Drill 4 to 8 drainage holes in bottom of tub. Place tub in the hole. Put bricks or wood blocks in bottom of tub to elevate the pressure filter to the desired height. Place stones and plants around the filter and tub to hide them.Note: If you bury the filter without a tub, the filter will be difficult to remove.Tubing AttachmentFor maximum flow, use 1-1/2 inch ID tubing. Also fits 1-1/4 inch ID tubing.TIP: For maximum flow; attach the largest tubing fitting. Use a saw to cut the filter outlet / inlet fitting(s) to match the tubing you have selected."Maturation" Of Your FilterA biological filter must undergo a period of "maturation" before it is fully efficient. During this period of time, beneficial bacteria grow and colonize on the biological filter media until the bacteria population is large enough to purify the waste in the water. The initial maturation of the filter takes approximately 4 to 6 weeks (after spring has arrived). To avoid dangerous levels of pollutants during this "maturation" period, gradually introduce the pond fish and be sure not to overfeed. Run the filter 24 hours a day.Cleaning and MaintenanceThe Backflush CycleIt usually takes less than 2 minutes to clean the filter. There is no need to open the unit or get your hands dirty. Follow these simple 5 steps (Note: Keep the pump running during the entire backflush operation): Remove the backflush cap. Turn valve to CLEAN position. Backflush for 30 seconds and then turn the valve back to POND position for 5 seconds and then back to CLEAN position until water coming out is relatively clear. Turn valve to POND position. Replace the backflush cap on port.How it backflushes The water flow is reversed and forced down the center tube. The water jets create a whirlpool effect in the bio-activator chamber. Dirt and debris is loosened from the bio-activators. Dirty water is discharged out the backflush port into the garden.A thin layer of bio-film containing beneficial bacteria will remain on the bio-activators. There is no need to replace the bio-activators. The discharged water is full of nutrients and can be used to nourish the garden plants.Tip: If the water flow still looks weak after the backflush operation, open the lid and check to see if the strainer is clogged with string algae or debris. Remove any debris that has accumulated on the cage. Be sure the vessel is about half full of water when reassembling the filter.TetraPond Bio-Active Pressure Filter with UVGreenfree UV ProcessThe Lid Closure Knobs can be opened to remove lid and gain access to the UV clarifier chamber.UV Process Provides on-going control of suspended algae that causes green water. Water is pumped from the pond. Water is forced through the bio-activators. Filtered water flows up the center tube. Single-celled algae pass by the ultraviolet light which destroys the single-celled algae's ability to reproduce. Water is returned to the pond by waterfall or stream. Dead algae cells clump and are removed by the filter.How the Greenfree UV Clarifier WorksThe TetraPond UV clarifier works by exposing single-celled algae to very high levels of Ultra Violet light as the pond water containing them is pumped through the clarifier. The water containing single-celled algae comes in close contact with the light from the UV bulb that is protected from the water by a quartz glass sleeve.The ultraviolet radiation disrupts the algae's ability to reproduce. The algae die and clump together, and then the algae can be easily removed by the bio-activators inside the pressure filter.For most ponds with normal levels of green water algae, the clearing process should take about one week. However, with thicker algal blooms this may take 2-3 weeks. The UV clarifier will reduce the growth of the algae, but water clarity is also dependent on the pond filter removing the dead algae.When installing the UV clarifier on a pond that already contains green water, the clarifying process can be rapidly accelerated by use of TetraPond Water Clarifier liquid that clumps single-celled algae and other particles together so they can easily be removed by the filter bio-activators.Unplug the UV clarifier if the pond is being treated with fish medications.The pressure filter is not for submersible use, and should not be installed inside the pond.UV Bulb InstallationCaution: Before installing bulbs, or any other service of the UV clarifier, disconnect the pump and UV clarifier from the power source.Tools Needed: Phillips Head Screwdriver, Coin, and Soft Cloth or Tissue. To install the UV bulbs, please carefully follow these steps in sequence.Disassembly Using a large coin or screwdriver turn both lid closure knobs to "open" position and remove decorative lid to gain access to UV center tube. Remove the four Phillips head screws and slowly and carefully remove the UV electrical assembly. Retain the screws for re-assembly. Remove old UV bulb. Now is a good time to inspect and clean the quartz tube. Carefully remove quartz sleeve from center tube. Be careful not to lose the two rubber O-rings. Wash off any residue on the outside of the quartz sleeve and dry the inside of the quartz tube thoroughly. Take care not to scratch the tube.Caution: Quartz sleeve must be dry inside. Wipe smudges off quartz tube if necessary.Installation of New Bulb Grasp the new UV bulb by the base, align it with the socket and press firmly into the bulb socket until a click is felt or heard. Caution: Do not touch the new bulb with bare hands. Use a clean soft cloth or tissue to handle the bulb. Wipe any dirt or smudges with clean cloth or tissue. Oil from fingers can degrade the life of the bulb.Re-Assembly Caution: Wipe any dirt or debris on or around the rubber O-ring seals. This helps maintain a water-tight seal that protects the bulb and electrical components. Position the smaller O-ring inside the recessed ring on the quartz tube. Insert quartz tube into center tube. Remove any debris and position the large O-ring inside the recessed ring around the center tube. Insert the UV electrical assembly with the new bulb into the quartz sleeve. Inspect O-ring seals by looking through clear plastic center tube cover to ensure they are seated properly and are not out of place or pinched. Secure the electrical assembly with the four Phillips head screws snuggly with a hand-held screwdriver. Do not over-tighten. Do not use a power screwdriver to avoid damage to the filter. The electrical cord should be routed between the notch in decorative lid and vessel. Use about 14 inches of electrical cord to form a loop and then secure into place with the cord retention strap in the notch. This loop will provide slack, allowing the UV electrical assembly to be removed more easily at a later date. Replace the decorative dome lid onto lid assembly. Turn both decorative lid closure knobs to "close" position.Only now can the unit be connected to an electrical source. Caution: Use only with GFCI rated electrical circuits. Please see safety instructions for details before operation.UV Viewing TubeTo see if the UV light is functioning when the clarifier is fully assembled, a blue glow can be seen from the UV viewing tube. Since the light is diffused in this clear plastic tube, the light is not harmful to the eyes.Bulb LifeFor maximum effectiveness, UV bulbs should be replaced every 8000 hours of life or every 11 months of continuous use. For water gardeners using the UV clarifiers only 5 to 6 months a year, replace the bulb every 2 years. Even though the bulb may glow after 8000 hours of use, the effectiveness has diminished.Winter CareBefore the pond ices over, the filter should be stored indoors.Caution: During the winter, the fish in the pond go through a period of rest where they become very inactive and waste production becomes very low. At this time, the filter should be emptied of water so that freezing water does not damage the unit: Do a final backflush. Disconnect plumbing. Drain excess water. Store indoors.Note: The warranty does not cover damage to the filter due to freezing water.Starting your Filter for Pond SeasonWhen starting the filter again in the spring, it will go the through the same maturation process as the first year. Be sure not to overfeed your fish in the early spring.Tips to Avoid or Minimize Green and Cloudy WaterIn addition to using a TetraPond Bio-Active Pressure Filter with GreenFree UV Clarifier, there are other things you can do to reduce green and cloudy water in the pond.Feed Fish Highly Digestible FoodsFeed often (2 to 3 times a day), but only as much as the fish will consume within 5 minutes.The Role of PlantsA well-planted pond is a great defense against water. Plants take nutrients such as nitrates from the water, depriving algae from the source it needs to live. Surface plants such as water lilies and lotuses provide additional shade to the pond, thus further reducing algae.Liquid ClarifiersUse a Water Clarifier to clump contaminants and make it easier for the bio-activators in the filter to remove them.Sludge RemovalMake sure your pond is reasonably clean by removing any sediment with a pond vacuum or a fine-mesh net. Excessive sediment containing organic material will decompose and provide nutrients for algae growth.Water ChangesChanging up to 25% of the pond water is another way of reducing nutrients which contribute to algae growth. Be sure every time you do water change to use a water conditioner to neutralize chlorine and chloramines present in tap water and that are harmful to fish.String Algae ControlUV Clarification does not control string algae (also known as blanket weed). String algae can attach itself to stones in the waterfall or stream, or on stones around the pond. It is recommended that this be physically removed by hand or with a strong spray from a hose nozzle. A fine-mesh net can be used to remove string algae once it has been dislodged from the stones.

Bio-Active Pressure Filter with Green Free UV Clarifier

The Tetra Bio-Active Pressure Filters with GreenFree UV Clarifier are designed similar and include the same benefits as the regular pressure filters. Use pumps between 2,500 - 4,500 GPH on all models 2 Year Manufacturer Warranty Pressure Filter & UV Sterilizer with easy Back Flush operation For Maximum Flow use with 1.5" ID tubing. Also fits with 1.25" ID tubing The Tetra UV Bio-Active Pressure Filter also integrates an Ultra-Violet Clarifier that provides permanent control of suspended algae which cause green water. The dome on top of the Tetra Bio-Active Pressure Filter protects the clarifier. Note: Do not use with pumps that exceed 4500 gallons per hour. This could damage the filter. Do not use pumps with flows less than 2500 gal/hr. A minimum of 2500 gallons per hour is necessary to perform the backflush operation. All pressure filters restrict the flow from your pump. Expect about a 45% reduction in the water flow through the filter.How It WorksMechanical Filtration: Pond water flows down through the bio-activators, which remove suspended debris and dirt from the water.Biological Filtration: Occurs on the massive surface areas found in the bio-activators. Beneficial bacteria will naturally colonize on the surface area and convert harmful pollutants in the water into relatively harmless nitrate, which are absorbed by the aquatic plants and from partial water changes. This is known as the "Nitrogen Cycle".Open Profile Bio-ActivatorsTetraPond's new Bio-Active Pressure Filters come equipped with open-profile bio-activators which offer superior filtration and backflush performance over closed bio-media and foam.These bio-activators have been perfected and used in the commercial aquaculture industry where demanding filtration is required due to extreme environmental conditions. The advanced technological design of the bio-activators provides a large active surface area for the beneficial bacteria to colonize.During the backflush operation, these bio-activators provide unrestricted water flow to all the surfaces so that dirt and debris are thoroughly removed while leaving the beneficial bacteria on the bio-activator surfaces intact and robust.Filtration Process Pump water from the pond to the pressure filter. Water is mechanically and biologically filtered. Filtered water is forced up the center tube. In models with a UV Clarifier, the UV light destroys the single-celled algae's ability to reproduce. Filtered water is forced under pressure to the waterfall or stream.Positioning Your Pressure FilterGeneral Installation Instructions: Position the pump far from the waterfall or stream for maximum pond circulation. Position the pressure filter anywhere around the pond. Since the discharge is under pressure, it may be located downhill from the waterfall if you choose. Connect pump to the filter with tubing. Connect filter discharge port to the waterfall with tubing.Caution: The discharge tubing ID should not be smaller than the intake tubing.Concealment Tips:The filter can be hidden behind rocks or bushes and can even be partially buried. If burying the filter, it is recommended that you place a plastic tub in the hole. This allows easier access to the latches, and makes it easier to remove the filter for winter storage. Plastic tubs are inexpensive and are widely distributed in stores selling hardware and houseware products. 20-gallon tubs are ideal for this use.Assembling the Pressure Filter for OperationBefore attaching tubing to the pressure filter, perform these simple assembly steps: Open filter lid. Remove bio-activators from vessel. (Bio-activators come in a separate plastic bag and are packed with the filter inside the sales box). Fill the filter vessel up to about 50% with pond water. Pour bio-activators in the vessel. Place lid back on and close.Note: It is very difficult to assemble the filter if the bio-activators are dry.Installation Option - Using a Tub Dig a hole about 3 in. deeper than the tub. Put a 3 in. layer of stones in the hole for drainage into the soil. Drill 4 to 8 drainage holes in bottom of tub. Place tub in the hole. Put bricks or wood blocks in bottom of tub to elevate the pressure filter to the desired height. Place stones and plants around the filter and tub to hide them.Note: If you bury the filter without a tub, the filter will be difficult to remove.Tubing AttachmentFor maximum flow, use 1-1/2 inch ID tubing. Also fits 1-1/4 inch ID tubing.TIP: For maximum flow; attach the largest tubing fitting. Use a saw to cut the filter outlet / inlet fitting(s) to match the tubing you have selected."Maturation" Of Your FilterA biological filter must undergo a period of "maturation" before it is fully efficient. During this period of time, beneficial bacteria grow and colonize on the biological filter media until the bacteria population is large enough to purify the waste in the water. The initial maturation of the filter takes approximately 4 to 6 weeks (after spring has arrived). To avoid dangerous levels of pollutants during this "maturation" period, gradually introduce the pond fish and be sure not to overfeed. Run the filter 24 hours a day.Cleaning and MaintenanceThe Backflush CycleIt usually takes less than 2 minutes to clean the filter. There is no need to open the unit or get your hands dirty. Follow these simple 5 steps (Note: Keep the pump running during the entire backflush operation): Remove the backflush cap. Turn valve to CLEAN position. Backflush for 30 seconds and then turn the valve back to POND position for 5 seconds and then back to CLEAN position until water coming out is relatively clear. Turn valve to POND position. Replace the backflush cap on port.How it backflushes The water flow is reversed and forced down the center tube. The water jets create a whirlpool effect in the bio-activator chamber. Dirt and debris is loosened from the bio-activators. Dirty water is discharged out the backflush port into the garden.A thin layer of bio-film containing beneficial bacteria will remain on the bio-activators. There is no need to replace the bio-activators. The discharged water is full of nutrients and can be used to nourish the garden plants.Tip: If the water flow still looks weak after the backflush operation, open the lid and check to see if the strainer is clogged with string algae or debris. Remove any debris that has accumulated on the cage. Be sure the vessel is about half full of water when reassembling the filter.TetraPond Bio-Active Pressure Filter with UVGreenfree UV ProcessThe Lid Closure Knobs can be opened to remove lid and gain access to the UV clarifier chamber.UV Process Provides on-going control of suspended algae that causes green water. Water is pumped from the pond. Water is forced through the bio-activators. Filtered water flows up the center tube. Single-celled algae pass by the ultraviolet light which destroys the single-celled algae's ability to reproduce. Water is returned to the pond by waterfall or stream. Dead algae cells clump and are removed by the filter.How the Greenfree UV Clarifier WorksThe TetraPond UV clarifier works by exposing single-celled algae to very high levels of Ultra Violet light as the pond water containing them is pumped through the clarifier. The water containing single-celled algae comes in close contact with the light from the UV bulb that is protected from the water by a quartz glass sleeve.The ultraviolet radiation disrupts the algae's ability to reproduce. The algae die and clump together, and then the algae can be easily removed by the bio-activators inside the pressure filter.For most ponds with normal levels of green water algae, the clearing process should take about one week. However, with thicker algal blooms this may take 2-3 weeks. The UV clarifier will reduce the growth of the algae, but water clarity is also dependent on the pond filter removing the dead algae.When installing the UV clarifier on a pond that already contains green water, the clarifying process can be rapidly accelerated by use of TetraPond Water Clarifier liquid that clumps single-celled algae and other particles together so they can easily be removed by the filter bio-activators.Unplug the UV clarifier if the pond is being treated with fish medications.The pressure filter is not for submersible use, and should not be installed inside the pond.UV Bulb InstallationCaution: Before installing bulbs, or any other service of the UV clarifier, disconnect the pump and UV clarifier from the power source.Tools Needed: Phillips Head Screwdriver, Coin, and Soft Cloth or Tissue. To install the UV bulbs, please carefully follow these steps in sequence.Disassembly Using a large coin or screwdriver turn both lid closure knobs to "open" position and remove decorative lid to gain access to UV center tube. Remove the four Phillips head screws and slowly and carefully remove the UV electrical assembly. Retain the screws for re-assembly. Remove old UV bulb. Now is a good time to inspect and clean the quartz tube. Carefully remove quartz sleeve from center tube. Be careful not to lose the two rubber O-rings. Wash off any residue on the outside of the quartz sleeve and dry the inside of the quartz tube thoroughly. Take care not to scratch the tube.Caution: Quartz sleeve must be dry inside. Wipe smudges off quartz tube if necessary.Installation of New Bulb Grasp the new UV bulb by the base, align it with the socket and press firmly into the bulb socket until a click is felt or heard. Caution: Do not touch the new bulb with bare hands. Use a clean soft cloth or tissue to handle the bulb. Wipe any dirt or smudges with clean cloth or tissue. Oil from fingers can degrade the life of the bulb.Re-Assembly Caution: Wipe any dirt or debris on or around the rubber O-ring seals. This helps maintain a water-tight seal that protects the bulb and electrical components. Position the smaller O-ring inside the recessed ring on the quartz tube. Insert quartz tube into center tube. Remove any debris and position the large O-ring inside the recessed ring around the center tube. Insert the UV electrical assembly with the new bulb into the quartz sleeve. Inspect O-ring seals by looking through clear plastic center tube cover to ensure they are seated properly and are not out of place or pinched. Secure the electrical assembly with the four Phillips head screws snuggly with a hand-held screwdriver. Do not over-tighten. Do not use a power screwdriver to avoid damage to the filter. The electrical cord should be routed between the notch in decorative lid and vessel. Use about 14 inches of electrical cord to form a loop and then secure into place with the cord retention strap in the notch. This loop will provide slack, allowing the UV electrical assembly to be removed more easily at a later date. Replace the decorative dome lid onto lid assembly. Turn both decorative lid closure knobs to "close" position.Only now can the unit be connected to an electrical source. Caution: Use only with GFCI rated electrical circuits. Please see safety instructions for details before operation.UV Viewing TubeTo see if the UV light is functioning when the clarifier is fully assembled, a blue glow can be seen from the UV viewing tube. Since the light is diffused in this clear plastic tube, the light is not harmful to the eyes.Bulb LifeFor maximum effectiveness, UV bulbs should be replaced every 8000 hours of life or every 11 months of continuous use. For water gardeners using the UV clarifiers only 5 to 6 months a year, replace the bulb every 2 years. Even though the bulb may glow after 8000 hours of use, the effectiveness has diminished.Winter CareBefore the pond ices over, the filter should be stored indoors.Caution: During the winter, the fish in the pond go through a period of rest where they become very inactive and waste production becomes very low. At this time, the filter should be emptied of water so that freezing water does not damage the unit: Do a final backflush. Disconnect plumbing. Drain excess water. Store indoors.Note: The warranty does not cover damage to the filter due to freezing water.Starting your Filter for Pond SeasonWhen starting the filter again in the spring, it will go the through the same maturation process as the first year. Be sure not to overfeed your fish in the early spring.Tips to Avoid or Minimize Green and Cloudy WaterIn addition to using a TetraPond Bio-Active Pressure Filter with GreenFree UV Clarifier, there are other things you can do to reduce green and cloudy water in the pond.Feed Fish Highly Digestible FoodsFeed often (2 to 3 times a day), but only as much as the fish will consume within 5 minutes.The Role of PlantsA well-planted pond is a great defense against water. Plants take nutrients such as nitrates from the water, depriving algae from the source it needs to live. Surface plants such as water lilies and lotuses provide additional shade to the pond, thus further reducing algae.Liquid ClarifiersUse a Water Clarifier to clump contaminants and make it easier for the bio-activators in the filter to remove them.Sludge RemovalMake sure your pond is reasonably clean by removing any sediment with a pond vacuum or a fine-mesh net. Excessive sediment containing organic material will decompose and provide nutrients for algae growth.Water ChangesChanging up to 25% of the pond water is another way of reducing nutrients which contribute to algae growth. Be sure every time you do water change to use a water conditioner to neutralize chlorine and chloramines present in tap water and that are harmful to fish.String Algae ControlUV Clarification does not control string algae (also known as blanket weed). String algae can attach itself to stones in the waterfall or stream, or on stones around the pond. It is recommended that this be physically removed by hand or with a strong spray from a hose nozzle. A fine-mesh net can be used to remove string algae once it has been dislodged from the stones.


Submersible Pond UV Filter with Fountain Kit - UVFK Series
Aquatop UVFK Series UV Pumps with fountain kits are a perfect and versatile method to eradicate and control free-floating micro-organisms that cause the unsightly green water as well as disease causing pathogens in both your fresh & saltwater aquariums. The versatility of these fully submersible UV Pumps also allow for applications in your outdoor garden ponds. Perfect choice to enhance the look of a Water Garden or Koi Pond UV Clarifier Eliminates Algae Blooms Eradicate free-floating microorganisms and disease causing pathogens Includes Fountain Kit & Adjustable Flow Rate Suitable for saltwater aquariums, freshwater aquariums (when the Fountain Kit is not in use) and ponds / water gardens Features Barbed outlet for 1/2" to 1" ID tubing Unlike conventional UV Sterilizers which need the addition of a pump and extra plumbing, the UVFK Series has a built in pump and ready to use without the hassle of extra plumbing. Dimensions for both units are 13" long x 4" wide. Includes germicidal grade UV bulb, large pre-filter sponge, optional-use Fountain Kit.

Submersible Pond UV Filter with Fountain Kit - UVFK Series

Aquatop UVFK Series UV Pumps with fountain kits are a perfect and versatile method to eradicate and control free-floating micro-organisms that cause the unsightly green water as well as disease causing pathogens in both your fresh & saltwater aquariums. The versatility of these fully submersible UV Pumps also allow for applications in your outdoor garden ponds. Perfect choice to enhance the look of a Water Garden or Koi Pond UV Clarifier Eliminates Algae Blooms Eradicate free-floating microorganisms and disease causing pathogens Includes Fountain Kit & Adjustable Flow Rate Suitable for saltwater aquariums, freshwater aquariums (when the Fountain Kit is not in use) and ponds / water gardens Features Barbed outlet for 1/2" to 1" ID tubing Unlike conventional UV Sterilizers which need the addition of a pump and extra plumbing, the UVFK Series has a built in pump and ready to use without the hassle of extra plumbing. Dimensions for both units are 13" long x 4" wide. Includes germicidal grade UV bulb, large pre-filter sponge, optional-use Fountain Kit.


In-Line UV Pond Filter - Ponds up to 650 Gallons
9 Watt UV Clarifier Filter (pump not included) is for ponds up to 650 gallons in size. This filter is for use outside of the water and it will help reduce green water in your pond. Requires a pond pumps between 400-800 GPH. The 9 Watt UV Filter comes with a 16 foot cord and is not submersible. 9 Watt Germicidal bulb keeps pond water clean and clear Power Requirements - 115V, 60HZ, .24 Amp Includes 9 watt germicidal UV bulb Fits 1/2" and 5/8" Tubing Dimensions: 10"L x 4"W x 4"H

In-Line UV Pond Filter - Ponds up to 650 Gallons

9 Watt UV Clarifier Filter (pump not included) is for ponds up to 650 gallons in size. This filter is for use outside of the water and it will help reduce green water in your pond. Requires a pond pumps between 400-800 GPH. The 9 Watt UV Filter comes with a 16 foot cord and is not submersible. 9 Watt Germicidal bulb keeps pond water clean and clear Power Requirements - 115V, 60HZ, .24 Amp Includes 9 watt germicidal UV bulb Fits 1/2" and 5/8" Tubing Dimensions: 10"L x 4"W x 4"H


Green Free UV Clarifier - Old Version
THESE ARE BEING DISCONTINUED - NEW VERSION AVAILABLE - CLICK HERE! TetraPond GreenFree UV Clarifiers provide permanent control of suspended algae which cause green water. It removes heavy algae blooms (usually within 5 days) and keeps the pond algae free. This means no more green water while reducing pond maintenance. Each unit is compact, durable, easy to install and energy efficient.18 Watt UV2 Clarifier - (Max Pond 4400 Gallons - Max Flow 2200GPH - ID Tubing 1/2" - 1 1/4" - Use with Biofilter PF-3 - Recommended Pump: DynaTec-1500, DynaTec-2000 or OFX-2000)Their high-efficiency Phillips PLS bulbs deliver full power and effectively control free-floating algae for one full year.Tetra GreenFree UV Clarifiers work by using ultraviolet light waves to kill floating algae cells as they pass through the UV clarifier. They clear heavy algae blooms quickly and help keep your pond algae free all season long! The TetraPond GreenFree UV Clarifiers are compact, durable, energy-efficient, weatherproof, and extremely easy to install (not submersible).

Green Free UV Clarifier - Old Version

THESE ARE BEING DISCONTINUED - NEW VERSION AVAILABLE - CLICK HERE! TetraPond GreenFree UV Clarifiers provide permanent control of suspended algae which cause green water. It removes heavy algae blooms (usually within 5 days) and keeps the pond algae free. This means no more green water while reducing pond maintenance. Each unit is compact, durable, easy to install and energy efficient.18 Watt UV2 Clarifier - (Max Pond 4400 Gallons - Max Flow 2200GPH - ID Tubing 1/2" - 1 1/4" - Use with Biofilter PF-3 - Recommended Pump: DynaTec-1500, DynaTec-2000 or OFX-2000)Their high-efficiency Phillips PLS bulbs deliver full power and effectively control free-floating algae for one full year.Tetra GreenFree UV Clarifiers work by using ultraviolet light waves to kill floating algae cells as they pass through the UV clarifier. They clear heavy algae blooms quickly and help keep your pond algae free all season long! The TetraPond GreenFree UV Clarifiers are compact, durable, energy-efficient, weatherproof, and extremely easy to install (not submersible).


Pressure-Flo UV High Performance Pressurized Pond Filter
Laguna's Pressure-Flo UV Clarifier Filters are 3 in 1 external pond filters that will help maintain clean and clear pond water.The Pressure-Flo is a pressurized pond filter with an integrated UV clarifier which is easy to install and features: an algae clumping UV lamp bio-mechanical filtration cleaning indicator backwash system above or below ground capable 3/4", 1" and 1 1/4" universal quick-fit fast coupling Model - Watts - Dimensions - GPH - Pond Size700 - 11 Watt - 12" D x 14"H - 330 - Up to 700 gallons1400 - 11 Watt - 12" D x 20"H - 660 - Up to 1,400 gallons2100 - 20 Watt - 15" D x 21"H - 1,057 - Up to 2,100 gallons3200 - 25 Watt - 15" D x 25"H - 1,585 - Up to 3,200 gallons

Pressure-Flo UV High Performance Pressurized Pond Filter

Laguna's Pressure-Flo UV Clarifier Filters are 3 in 1 external pond filters that will help maintain clean and clear pond water.The Pressure-Flo is a pressurized pond filter with an integrated UV clarifier which is easy to install and features: an algae clumping UV lamp bio-mechanical filtration cleaning indicator backwash system above or below ground capable 3/4", 1" and 1 1/4" universal quick-fit fast coupling Model - Watts - Dimensions - GPH - Pond Size700 - 11 Watt - 12" D x 14"H - 330 - Up to 700 gallons1400 - 11 Watt - 12" D x 20"H - 660 - Up to 1,400 gallons2100 - 20 Watt - 15" D x 21"H - 1,057 - Up to 2,100 gallons3200 - 25 Watt - 15" D x 25"H - 1,585 - Up to 3,200 gallons


Pressurized Pond Filter with UV Clarification
This Aquatop Pressurized Pond Filter is part of Aquatop's innovative PCF-UV Series of Pond Canister Filters, complete with UV Clarification. These filters utilize multiple layers of coarse and fine Bio Sponges and Ceramic Rings to provide superior mechanical and biological filtration. Keep your water clear and free of unwanted pathogens, algae, and free-floating micro-organisms with the built-in UV Sterilizer. Complete with a convenient flow indicator and backwash feature for ease of maintenance. 9 Watt UV Clarifier with germicidal grade UV bulb Features Flow Indicator and Backwash capability for easy maintenance Plumbing ID Requirement: 1 1/4" or 1 1/2" Includes: canister filter, pipe, clamps, mechanical & biological filtration (Pump sold separately).

Pressurized Pond Filter with UV Clarification

This Aquatop Pressurized Pond Filter is part of Aquatop's innovative PCF-UV Series of Pond Canister Filters, complete with UV Clarification. These filters utilize multiple layers of coarse and fine Bio Sponges and Ceramic Rings to provide superior mechanical and biological filtration. Keep your water clear and free of unwanted pathogens, algae, and free-floating micro-organisms with the built-in UV Sterilizer. Complete with a convenient flow indicator and backwash feature for ease of maintenance. 9 Watt UV Clarifier with germicidal grade UV bulb Features Flow Indicator and Backwash capability for easy maintenance Plumbing ID Requirement: 1 1/4" or 1 1/2" Includes: canister filter, pipe, clamps, mechanical & biological filtration (Pump sold separately).


Medium Bio & UV Pressure Filter
Beckett's Medium Bio & UV Pressure filter is great for ponds up to 750 gallons. This Bio & UV Pressure Filter by Beckett offers pressurized discharge which allows "up-flow" to waterfall. Includes UV Clarifier. Also has efficient, multi-stage filtration for clean, clear ponds. Also offers out of pond installation for fast easy maintenance. Specifications:Application: Out of pond pressurized UV pond filter for ponds up to 750 gallonsPower Req. UV Ballast: 115 V, 60 Hz, .18AUV Bulb: 9 wattsRecommended Pump Flow Rate: 300 - 600 GPHMax Pressure: 15 PSIConnections: 1" ID TubingWarranty: 1 Year ManufacturerItem: 7109810Model: PBF750

Medium Bio & UV Pressure Filter

Beckett's Medium Bio & UV Pressure filter is great for ponds up to 750 gallons. This Bio & UV Pressure Filter by Beckett offers pressurized discharge which allows "up-flow" to waterfall. Includes UV Clarifier. Also has efficient, multi-stage filtration for clean, clear ponds. Also offers out of pond installation for fast easy maintenance. Specifications:Application: Out of pond pressurized UV pond filter for ponds up to 750 gallonsPower Req. UV Ballast: 115 V, 60 Hz, .18AUV Bulb: 9 wattsRecommended Pump Flow Rate: 300 - 600 GPHMax Pressure: 15 PSIConnections: 1" ID TubingWarranty: 1 Year ManufacturerItem: 7109810Model: PBF750

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Pond UV sterilizers - pond products and equipment online at Pet Mountain

Shop for Pond UV Sterilizers

Submersible Ultraviolet Clarifier / Sterilizer

Green Free Ultraviolet Clarifier - (New Version)

Pressurized UV Bio Pond Filter

ProLine Low Pressurized UV Filter

Gravity UV+Bio Pond Filter

Bio-Active Pressure Filter with Green Free UV Clarifier

Submersible Pond UV Filter with Fountain Kit - UVFK Series

In-Line UV Pond Filter - Ponds up to 650 Gallons

Green Free UV Clarifier - Old Version

Pressure-Flo UV High Performance Pressurized Pond Filter

Pressurized Pond Filter with UV Clarification

Medium Bio & UV Pressure Filter

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