AFCO MICRO‐ZYME P‐100 is an alkaline powdered enzyme cleaner that was developed for cleaning cellulose acetate membranes in Reverse Osmosis and Ultrafiltration systems. It is a sophisticated formulation that combines the latest technology in the cleaning of membrane equipment. It is based on enzymes which digest proteinaceous food soils, detergents which emulsify fatty soils and chelates for dissolving minerals. MICRO‐ZYME P‐100 has proven to provide superior performance and cost effective cleaning.