TetraPond® GreenFree® UV Clarifiers use ultraviolet light to destroy the reproductive ability of suspended algae, causing dead algae clump together in particles large enough to be removed by filtration, leaving the pond clearer.

Removes heavy algae blooms within five days and keeps the pond algae-free

Easy to conceal, durable, and install in minutes

15' power cord

3 year warranty

UL Listed

Item # Model UV

Size Maximum

Pond Size Optimal

Flow Tubing Adapters

19523 UVC-5 5W 660 Gallons 330gph .75", 1", 1.25"

19520 UVC-9 9W 1800 Gallons 900gph .75", 1", 1.25"

19521 UVC-18 18W 4400 Gallons 2200gph .75", 1", 1.25"

19522 UVC-36 36W 8800 Gallons 4400gph .75", 1", 1.25"