Pro Products Sani System Sanitizer. 0.5 fl. oz. concentrate. Sani-System ® Pro Products is proud to introduce Sani-System, the first and only EPA product approved for sanitizing water softeners, RO units and Water Coolers. Sani System is proven to kill 99.9% of E. coli, E. coli O157:H7, Staphylococcus aureus, Listeria monocytogenes and other harmful bacteria. It does not use chlorine, other oxidizers or acids that can harm water softener equipment parts. Use is simple; each dose comes in a pre-measured pouch. Just cut, pour and regenerate softener. No measuring, No mess! Sanitizing Equipment! Applications Interior Surfaces of Water Softeners, Reverse Osmosis (RO) Units, Ice Machines, Water Coolers, Water Holding Tanks and Pressure Tanks. Sani-System is now NSF certified! Directions for Use It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. Sanitization of Interior Surfaces of Water Softeners and Reverse Osmosis (RO) Units. Water Softeners Sanitization should occur after initial installation, after the system is serviced and periodically during its use. Backwash the softener and add 1 ounce of sanitizer per 8 gallons of water (200 ppm active quaternary) to the brine tank well. (NOTE: standard systems capacity is 48 gallons,) (The brine tank should have water in it to permit the solution to be carried into the softener.) Proceed with the normal regeneration or interrupt the cycle after the brining step and let the softener soak for a minimum of 60 seconds. Backwash the softener with potable water to make sure all sanitizing solution is thoroughly rinsed from the unit before returning it to service. Reverse Osmosis (RO) Units Sanitization should occur after initial installation, after the system is serviced and periodically during its use. Turn off RO system, drain storage tank and remove membrane element and pre-filters. Put membrane element in a plastic bag so it remains wet. Fill empty pre-filter housing with 1 ounce of sanitizer per 8 gallons of water (200 ppm active sanitizer) and turn on raw water. (NOTE: standard system capacity is 2-3 gallons) After holding tank is full, let system stand idle for a minimum of 60 seconds. Turn off water. Drain holding tank. Before the system is put back into service, flush system with potable water to assure sanitizing solution is rinsed thoroughly form system. Follow the manufacturer’s directions for re-installation of new per-filters, membrane elements and post filter, membrane element and post filter. Sanitation of interior surfaces of Ice Machines, Water Coolers, Water holding tanks and Pressure tanks, Ice Machines Sanitization should occur after initial installation, after the machine is serviced and periodically during its use. Shut off incoming water line to machine. Prepare a solution of 1 oz. of sanitizer per 8 gallons of water (200 ppm active quaternary) Circulate solution through machine making user to wet all surfaces and allow a minimum contact of 60 seconds. Drain and completely flush system twice with portable water. Storage and disposal DO NOT CONTAMINATE WATER, FOOD OR FEED BY STORAGE OR DISPOSAL - Store in a dry place no lower in temperature then 50 degrees F or higher than 120 degrees F. Shipping information Non-hazardous. This is the best sanitizing solution available anywhere! Stock up and save.