Pro Neutra 7 is a proprietary alkaline compound which eliminates acid water in potable systems and keeps the injection point clean of build-up. This helps eliminate corrosion from piping, pressure tanks, water heaters and fixtures. A Pro Neutra 7 solution injected into a water system will eliminate acid water and prevent corrosion. Pro Neutra 7 is NSF Certified to meet NSF/ANSI Standard 60 for drinking water additives.