Sani-System Sanitizer (24 Count) - Sani-System is the only NSF certified and EPA approved sanitizer for use in water softeners and reverse osmosis units. Available in easy-to-use pre-measured doses, one Sani-System packet contains a concentrated formula that sanitizes equipment in just 60 seconds. It's specially designed to kill 99.99% of harmful bacteria and maintain the quality and performance of water treatment systems without chlorine, oxidizers or acids that can harm system equipment, parts and resin. That's why more industry professionals are relying on Sani-System Liquid Sanitizer Concentrate - Sani-System sets the standard for sanitizing.