Tretra GreenFree UV Clarifier Size:36 Watt Treats bacterial fish disease such

Treats bacterial fish disease such as body slime

Auto-temperature correcting design

Pork Meat and Bone Meal

Floats for easy retrieval

iron sulfate

Tretra GreenFree UV Clarifier Size:36 Watt Treats bacterial fish disease suchMaking how to get rid of pond algae for good possible! GreenFree UV Clarifiers work to keep your pond clean, clear, and free of green algae. These dependable clarifiers use ultraviolet light to destroy suspended green algae. As algae are pumped into the Clarifier they are exposed to Ultra Violet light that destroys the reproductive ability of single celled algae. The dead algae is then pumped out of the Clarifier where it clumps and is removed by your