Before and After Testing Results The technical standards of the NSF/ANSI testing ensure safe water supplies at the highest international levels with their prime objectives being safe technology and hygiene, economical optimization, protection of resources and environment, and quality assurance, control, and management. Salt Free Anti-Scale media has undergone third party testing. Below are a number before and after pictures that clearly show the effectiveness of the Salt Free Anti-Scale media tested laboratory hot water application.
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