Natural Chemistry PHOSfree Extra Strength - 3 Liter dominator-high-head-pump Manufacturer Part # 550-4130

Manufacturer Part # 550-4130

The Blue Stuff does everything "The Pink Stuff" does and more

Manufacturer Part # 600575B

Manufacturer Part # HRQ12D

Manufacturer Part # 006886F

Natural Chemistry PHOSfree Extra Strength - 3 Liter dominator-high-head-pump Manufacturer Part # 550-4130Natural Chemistry PHOSfree Extra Strength is specifically designed for high level phosphate removal. It works on both the filter and in the pool to ensure maximum phosphate removal. Sources of phosphates include pool chemicals containing phosphoric acid, phosphonic acid and phosphonates (which include most metal removers and sequestering agents), personal hygiene products, soaps and detergents, plant debris, fill water, body fluids and waste,