PONDCARE - Pond-Zyme with Barley - 8 oz. (227 g)DESCRIPTION Specially selected bacterial strains in Pond Zyme with Barley immediately begin breaking down fish waste and dead algae that cause cloudy water, sludge build up, and debris that clogs pumps and filters. Through enzymatic action, Pond Zyme with Barley reduces pond maintenance and keeps pond water clean and clear. Pond Zyme with Barley is a 100% natural product, safe for all pond fish, plants and wildlife. DETAILS Package Description: 8 oz.