Doheny’s Phosphate Remover, 4 Quart

Reduce phosphate levels to near zero so your swimming pool, spa or hot tub can be algae free!
Phosphates are a nutrient for algae growth. Dohenys Phosphate Remover is an effective anti-foaming agent designed especially for spas, hot tubs and therapeutic pools subject to high aeration. It may also be used in swimming pools and fountains. Nontoxic and 100% safe for your family and the environment.