Check the listing for details. Bio-Dex Oil Out Enzyme Organic Water Cleanser 32 oz. OO132. Condition: New. Listed at 31.99 USD. Organic Water Cleanser 32 oz. Oil Out Enzyme by Bio-Dex OO132Oil Out Enzyme is an organic water cleanser. The product digests and coverts oils, grease and other debris to carbon dioxide and water. Oil Out Enzyme:Cleans water of oils on contact including motor oil.Is safe to people and the environment.Is 100% biodegradable.Is non-toxic, non-corrosive, non-carcinogenic and hypo-allergenic.Keeps filters clear and free of oil related residue.Allows you to swim immediately without waiting.Use with Clearex 500 for a super water cleaning combo.The product improves filtration, water clarity and sparkle. It keeps cartridge, sand and other filter media including earth filters free and clear of oil-related residue. The product also eliminates oil and scum build-up on tile. For initial treatment, add one ounce per 20,000 gallons of water. Apply slowly through the skimmer while the filter is running. You can also apply Oil Out Enzyme directly into the water where the oil is most severe. You may need to repeat the process in four days if necessary. For maintenance application, add one half ounce per 20,000 gallons of water. Add the product weekly or as needed based on the bather load. Feeder application is very effective. To do this, dilute Oil Out Enzyme in a twenty to one ratio. Dilute one quart in five gallons of water using a chemical feeder pump. Adjust settings according to the bather load.