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  • Tetra GreenFree UV Pond Clarifier | Green Water Algae Control

Tetra GreenFree UV Clarifier

Warranty Information

  • Ultraviolet clarifier for ponds up to 8,800 gallons, or ponds up to 4,000 gallons with a heavy fish load
  • Reduces your pond maintenance while keeping your pond crystal clear and healthy
  • Emits UV light rays that eliminate green water algae
  • Can remove a heavy algae bloom usually in 5 days and keep the water clear
  • 3 year limited warranty

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Free US shipping for orders $99 and over pond supplies and accessories

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Product Description

The Tetra GreenFree UV Clarifier is an excellent way to make your water garden or koi pond a clear, healthy, thriving environment for your aquatic plants and fish. It uses ultraviolet light to prevent reproduction in the single celled algae that turn pond water green. After getting rid of even a heavy infestation of green water algae in typically 5 days, it keeps the algae at bay long term.

This compact and durable UV clarifier is easy to install and conceal. It includes a 15 foot long power cord and 3/4, 1 and 1 1/4 inch internal diameter tubing adapters. The ultraviolet clarifier has a 3 year limited warranty.

Models & Specs:

Model Watts
Max Pond Size
Max GPH Outlet / Inlet
5 660 gallons
0.75" - 1.25"
9 1,800 gallons
0.75" - 1.25"
18 4,400 gallons
0.75" - 1.25"
36 8,800 gallons
0.75" - 1.25"



Other Details

Recommended Pond Size:
0-2000 Gallons
Recommended Pond Size:
2000-4000 Gallons
Recommended Pond Size:
4000-8000 Gallons
Recommended Pond Size:
8000+ Gallons

Product Reviews

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