Premium Grade Low Foam Enzyme Pro-Zyme Enzymatic Detergent™ is a multi-tiered, low foaming enzymatic non-corrosive detergent. The advanced multi-enzyme system provides the highest levels of soil removal sulfactants for outstanding performance even at low temperatures. Cleans A Wide Range Of Metal Surfaces Pro-Zyme Low Foam Enzymatic Detergent™ is safe and effective for stainless steel, aluminum, tungsten carbide, copper and brass instruments. Extra Strength Formula Penetrates Tough Bioburden Pro-Zyme Low Foam Enzymatic Detergent™ provides a fast and effective removal of stubborn organic encrustation from surgical instruments. Free Of Metal Attacking Agents Pro-Zyme Low Foam Enzymatic Detergent™ does not contain phosphates, chlorides or hydroxides that can cause scale to form on instruments. Formulated For Best Economy Only 1 fluid ounce (30 ml) makes one gallon of wash solution when used as directed. Directions for use: Pro-Zyme Low Foam Enzymatic Detergent™ is specially formulated for automatic washers where ultra low foaming detergents are desired. Add 1 fl.oz. (30 ml) of Pro-Zyme Low Foam Enzymatic Detergent™ per gallon of water. Optimal temperature range is 70F-140F. As a manual presoak: Soak instruments in diluted Pro-Zyme Low Foam Enzymatic Detergent™ solution for a minimum of 5 minutes. As an ultrasonic cleaner or presoak: Add diluted Pro-Zyme Low Foam Enzymatic Detergent™ solution to ultrasonic unit. Immerse instruments in enzyme cleaning solution. Operate for a minimum of 5 minutes. As an automatic washer detergent and/or presoak: Program machine to deliver 1 fl. oz. (30 ml) of Pro-Zyme Low Foam Enzymatic Detergent™ per gallon of water for both pre-wash and regular wash operations. Allow at least 5 minutes cycle time.