Orenda Technologies PR-10000, Phosphate Remover Concentrate, For Pools Spas, 8oz - 6 Pack ORE-50-145-6

It is formulated to react with phosphates in the water . allowing for them to be removed from the solution. It is an all-natural . rare earth phosphate removal product. It reacts with orthophosphates on contact . crystalizing them. The inert phosphates then sink out of the solution to be vacuumed or filtered out.