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AquaMaster PRO water softeners are certified by NSF (National Sanitation Foundation) to the ANSI standard 44 for cation exchange water softeners. The minimum for NSF is to remove 3,350 grains of hardness minerals per pound of salt. AquaMaster PRO well exceeds the minimum standard removing 5,500 grains per pound of salt. That means AquaMaster PRO uses 40% less salt than the minimum required to be NSF certified. Certification well deserved! |