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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).