Reverse Osmosis (RO) can treat swimming pool water with phosphates and the simple answer to this question is yes, RO can remove phosphates from pool water! ... Phosphates (also denoted as PO4) are known nutrients to help increase plant growth rates such as in algae.

What is not removed by reverse osmosis?

And while reverse osmosis water filters will reduce a pretty wide spectrum of contaminants such as dissolved salts, Lead, Mercury, Calcium, Iron, Asbestos and Cysts, it will not remove some pesticides, solvents and volatile organic chemicals (VOCs) including: Ions and metals such as Chlorine and Radon.

Do water filters remove phosphates?

Phosphates in water systems are removed chemically, biologically, or by using the biological-chemical method. In water filtration systems, granular activated carbon (GAC) removes phosphates in the drinking water.