Cyanuric Acid Decreaser 16oz
Bio-Active safely reduces CyA levels using a biological process that leaves no harmful or unsightly residue to affect bathers, plumbing or the environment. It is completely natural, biodegradable, non-toxic, non-allergenic, non-polluting and all-natural. Packaged in a 16 oz bag, it can treat pools of up to 50,000 gallons with a free chlorine level of no more than 7 ppm.