We propose top-grade PH-Substract Pool Chemical Powder, which is an effective solution for cleaning swimming pool water and preventing or controlling formation of biofouling. It is generally available with white appearance, and is precisely processed from quality tested chemical compound with tested formula that ensure its accurate composition, precise pH value, great effectiveness, and longer shelf life. Last but not least, the proposed PH-Substract Pool Chemical Powder is available with us plastic bucket packaging of varied quantities for clients' selection.