- Aquarium Salt(1)
- Aquarium Saltwater Test Kits(14)
- Tropical Fish Food(2)
- Aquarium Water Conditioners(14)
- Aquarium Water Clarifiers(1)
- Pond Testing Equipment(3)
- Pond Water Conditioners(4)
- Aquatic Plant Supplements(3)
- Aquarium Water Pump Impellers(1)
- Pond Plant Food(2)
- Reptile Water Treatments(1)
- Aquarium Canister Filter Parts(3)
- Aquarium Filter Pads(2)
- Aquarium Filter Carbon(1)
- Aquarium Filter Mechanical Media(1)
- Aquarium Filter Bio Media(1)
- Fish Vacation Feeder Blocks(2)
- Pond Salt(1)
- Goldfish Food(1)
- Betta Food(2)
- Aquarium Algae Control(2)
- Aquarium Bio Additives(1)
- Pond Algae Control(2)
- Pond Biological Treatments(2)
- Pond Water Clarifiers(4)
- Pond pH Adjusters(1)
- Aquarium Filter Chemical Media(3)
- Reptile Filter Foam & Sponges(1)
- Aquarium Filter Phosphate & Silicate Media(1)
- Aquarium Cleaning Liquids(1)
- Aquarium Scrubbing Pads(4)
- Freshwater Aquarium Salts(1)
- Bacterial & Fungal Aquarium Medications(1)
- External Parasite Aquarium Treatments(2)
- Aquarium Freshwater Test Kits(14)
- Bottom Feeders Food(1)
- Algae Eaters Food(1)
- Pond Fish Fungal Remedies(1)
- Aquatic Turtle Health Care(1)
- Aquarium Test Strips(4)
- Aquarium Drop Test Kits(14)
- Aquarium pH & Alkalinity Tests(7)
- Aquarium Calcium & Hardness Tests(5)
- Aquarium pH Boosters(3)
- Aquarium Nitrate & Nitrite Tests(6)
- Aquarium Ammonia Tests(4)
- Aquarium Phosphate Tests(2)
- Reef Aquarium Test Kits(1)
- Aquarium pH Reducers(2)
- Aquarium pH Stabilizers(1)
- Aquarium Bacterial Medications(4)
- Aquarium Fungal Medications(2)
- Aquarium Best Sellers(2)
- Aquarium Gifts(2)
- Pond Gifts(7)
- Pond Fish Medications(2)
API
API Products

API Pond AlgaeFix Controls Algae Growth and Works Fast
- $275.99
- Save $145 (53%)

API Stress Coat + Fish and Tap Water Conditioner
- $199.99
- Save $105 (53%)

API Aquarium Salt Promotes Fish Health for Freshwater Aquariums
- $159.99
- Save $84 (52%)

API Filstar XP Filtration Pads
- $114.99
- Save $58 (50%)

API Pond Zyme Sludge Destroyer Consumes Pond Sludge
- $121.99
- Save $61 (50%)

API Tap Water Conditioner Detoxifies Heavy Metals and Dechlorinates Aquarium Water
- $165.99
- Save $87 (52%)

API Stress Zyme Plus Bio Filtration Booster
- $237.99
- Save $125 (53%)

API Pond Stress Coat Water Conditioner
- $294.99
- Save $155 (53%)

API Filstar XP Micro Filtration Pads
- $80.99
- Save $41 (50%)

API Pond Accu-Clear Quickly Clears Pond Water
- $183.99
- Save $97 (53%)

API MelaFix Treats Bacterial Infections for Freshwater and Saltwater Aquarium Fish
- $277.99
- Save $146 (53%)

API E.M. Erythromycin Treats Bacterial Fish Disease
- $875.99
- Save $459 (52%)

API Bio-Chem Zorb Filter Media Cleans and Clears Aquarium Water Size 6
- $96.99
- Save $49 (50%)

API Super Activated Carbon Size 6
- $79.99
- Save $41 (51%)

API Nitra-Zorb Removes Aquarium Toxins Size 6
- $102.99
- Save $52 (50%)

API AlgaeFix Controls Algae Growth for Freshwater Aquariums
- $148.99
- Save $78 (53%)

API Freshwater Master Test Kit
- $143.99
- Save $76 (53%)

API Filstar XP Super Microfiltration Pads
- $94.99
- Save $48 (50%)

API Pond Pond Salt Natural Fish Tonic for Ponds
- $189.99
- Save $100 (52%)

API Safe and Easy Aquarium Cleaner
- $14.99
- Save $7 (47%)

API Pond Simply-Clear with Barley Quickly Cleans and Clears Ponds
- $218.99
- Save $115 (53%)

API Quick Start Water Conditioner
- $149.99
- Save $79 (53%)

API General Cure Powder Treats Parasitic Fish Disease
- $653.99
- Save $343 (52%)

API Pond Ecofix Sludge Destroyer Consumes Pond Sludge
- $214.99
- Save $113 (53%)

API 5 in 1 Aquarium Test Strips for Freshwater and Saltwater Aquariums
- $73.99
- Save $37 (50%)

API Accu-Clear Clears Cloudy Aquarium Water
- $59.99
- Save $29 (48%)

API Pimafix Treats Fungal Infections for Freshwater and Saltwater Fish
- $179.99
- Save $95 (53%)

API Pond Melafix Treats Bacterial Infections for Koi and Goldfish
- $237.99
- Save $125 (53%)

API PondCare Microbial Algae Clean Alternative Approach to Algae Control
- $218.99
- Save $115 (53%)

API Turtle Sludge Destroyer Breaks Down Organic Waste and Debris with Beneficial Bacteria
- $62.99
- Save $30 (48%)

API Pond Chlorine and Heavy Metal Neutralizer Removes Chlorine
- $102.99
- Save $52 (50%)

API pH Test Kit for Freshwater Aquariums
- $43.99
- Save $21 (48%)

API Pond Aquatic Plant Food Tablets
- $13.99
- Save $7 (47%)

API Leaf Zone Promotes Aquarium Plant Growth
- $61.99
- Save $30 (48%)

API Doc Wellfishs Hand Held Algae Pad for Glass Aquariums
- $83.99
- Save $42 (50%)

API Ammonia NH3/NH4+ Test Kit
- $27.99
- Save $13 (45%)

API Marine Stress Coat Makes Tap Water Safe
- $77.99
- Save $39 (50%)

API Turtle Fix Treats Bacterial Infections
- $59.99
- Save $29 (48%)

API Proper pH Sets and Stabilizes Freshwater Aquariums
- $19.99
- Save $9 (45%)

API Nitrate Test Kit for Fresh and Saltwater Aquariums
- $25.99
- Save $12 (46%)

API Marine AlgaeFix Controls Algae Growth and Works Fast
- $108.99
- Save $55 (50%)

API Pond Pimafix Treats Fungal Fish Infections for Koi and Goldfish
- $237.99
- Save $125 (53%)

API GH and KH General and Carbonate Hardness Test Kit for Freshwater Aquariums
- $64.99
- Save $31 (47%)

API Turtle Water Conditioner Makes Tap Water Safe
- $15.99
- Save $8 (47%)

API pH Up Raises Aquarium pH for Freshwater Aquariums
- $96.99
- Save $49 (50%)

API Water Softener Pillow Size 5 Filtration Media to Reduce General Hardness
- $13.99
- Save $7 (48%)

API Ammo Lock Detoxifies Aquarium Ammonia
- $165.99
- Save $87 (52%)

API CO2 Booster Promotes a Vibrant, Healthy Planted Aquarium
- $87.99
- Save $44 (51%)

API pH Down Lowers Aquarium pH for Freshwater Aquariums
- $96.99
- Save $49 (50%)

API Pond Master Test Kit Tests Wide Range pH, Ammonia, Nitrite and Phosphate
- $132.99
- Save $67 (50%)

API Tropical Flakes Fish Food
- $5.99
- Save $3 (50%)

API Bio-Chem Stars Aquarium Filtration Media Starts Biological Filter
- $122.99
- Save $62 (50%)

API Pond pH Down Lowers Pod Water pH Safe for Fish and Plants
- $94.99
- Save $48 (50%)

API Ammo Lock Ammonia Detoxifier for Ponds
- $203.99
- Save $107 (53%)

API Root Tabs Plus Iron Promotes Lush Growth of Aquarium Plants
- $110.99
- Save $56 (50%)

API Pond Wide Range pH Test Kit Reads pH 5.0 to 9.0
- $49.99
- Save $24 (47%)

API Marine Saltwater Master Test Kit Tests High Range pH, Ammonia, Nitrite and Nitrate
- $143.99
- Save $76 (53%)

API Marine Stress Zyme Cleans Live Rock and Sand Adding Beneficial Bacteria
- $99.99
- Save $50 (50%)

API Filstar XP Canister Filter Replacement Kink Free Tubing
- $49.99
- Save $24 (48%)

API Algae Scraper for Acrylic Aquariums
- $64.99
- Save $31 (47%)
API Water Chemical Products
As leaders in the ornamental fish industry since the early 1960s, they are very vigilant about superior product quality and taking care of their aquarium and fish enthusiast customers. They make a wide range of pet products including Stress Coat, Stress Zyme, Melafix and many others. If you are serious about fish and ensuring your aquarium is perfectly suited for them, then you know how important medications, algae control, water treatment and filters are to the health of your fish. The great thing about Aquarium Pharmaceuticals is that they are focused intently on research and development, always attempting to make their products better, more efficient, and less expensive. They even have 150 experimental aquariums and ponds in their state-of-the-art research laboratory, so they can develop innovative new products. The goal? Products that are easy and convenient for you to use.
API - Water Test Kits, Water Conditioner, Medication, Softener Pillow
As a top tier Aquarium Pharmaceuticals supplier, we have the top API products right here on our site. We carry their best fresh and saltwater test kits, water conditioner, and fish food for your pond or aquarium.Choose from our big selection. You'll find everything you need to keep your fish happy. Can't find something? Let us know; we'd be happy to help you select the best product for you and your fishes' needs.