BioSafe GreenCleanFX Fast-Acting Liquid Algaecide, 1 Gallon Professional No wood products should be

No wood products should be left unfinished

This will allow for a good tight seal

and air will flow into the filter

1500 gph 3

BioSafe GreenCleanFX Fast-Acting Liquid Algaecide, 1 Gallon Professional No wood products should beBioSafe GreenCleanFX Liquid Algaecide utilizes a unique activated peroxide formula to oxidize algae cells and kill them on contact. As a commercial strength treatment to suppress, control and prevent string, filamentous and planktonic algae, even in deeper waters, GreenCleanFX Liquid Algaecide is unmatched. As an EPA registered algaecide, it is compliant with the USDA National Organic Program regulations, making it safe for use in water features