- ?NSF Registered and Kosher Certified. Proprietary Organic Acid Blend. - ?This is a strongly acidic cleaner that is biodegradable and environmentally preferred over phosphoric acid (no phosphate release). Approved and Safe for Nickel Plated Evaporators like Manitowoc - ?Viper nickel safe is ideal for use on food equipment since it is odorless, non-fuming and much lower in toxicity than phosphoric acid. - ?Removes More Scale Buildup, Faster Acting Formula. - ?The product is more water soluble than phosphoric acid for a more complete and easy rinse. Product description COMFORT THROUGH CHEMISTRY HVAC/R PRODUCTS DEVELOPED BY TECHNICIANS FOR TECHNICIANS SELECT FAST-SHIPPING AS SELLER FOR EXPEDITED HANDLING WITH SAME DAY SHIPPING (3PM PT CUT-OFF TIME) NO MINIMUM $35 ORDER REQUIRED. Until now, ice machine cleaners were nothing more than low tech phosphoric acid. Our Viper Ice Machine cleaner is formulated with an advanced blend of organic acids that will remove more scale faster than any other product of its kind. It is a stronger acidic cleaner and is lower in toxicity, non-fuming, less corrosive and environmentally preferred over phosphate based chemicals. Viper Nickel Safe contains a new proprietary blend of organic acids that remove scale much faster and is ecologically safer than out dated phosphoric acid cleaners. It is the ideal choice for use in food equipment. NSF registered, Kosher certified, and safe for Nickel Plated Evaporators like Manitowoc. Save time and money by making the switch to Viper products. Directions: 1. Remove ice from bin. 2. Switch machine into cleaning mode. 3. Slowly add 8 oz of cleaner for every 250-300 pounds per day of ice production 4. Circulate for 10-30 minutes depending on scale load. 5. Discard spent water and rinse machine 3 times. 6. All Done! Nylog is the preferred non contaminating OEM approved sealant for gaskets, threads, and connections on a HVAC system. Our Viper products are the toughest in the industry for cleaning hard to remove grease, grime, dirt, and other common debris. They are NSF approved for use around food, non-toxic, and contain no odors. Viper Wetrag and Viper Heat Blocking Gel can withstand up to 3000°F of direct heat while keeping valves from being damaged and parts from catching fire. The Original Big Blu is the industries best bubble leak detector. The ultra sensitive formula was designed to find the smallest gas leaks.