ECO Phos Out is non-toxic and formulated to eliminate phosphates from your swimming pool. One quart per 10,000 gallons of pool water will treat up to 3,000 ppb of phosphates. Phosphate Remover may cause clouding of the pool water. This is a normal reaction, your filtration system will remove the bonded phosphates from the swimming pool.
1 quart will treat up to 3,000 ppb (parts per billion) of phosphates