APSP (Association Of Pool & Spa Professionals) Recommendations For Water Chemistry In Pools And Spas
The table below presents target ranges for important water chemistry parameters. These guidelines were last revised in April 2011 and are generally accepted by professionals in the pool and spa (hot tub) market.
Recommended Guidelines For Water Quality
APSP (ASSOCIATION OF POOL & SPA PROFESSIONALS) GUIDELINES
FOR CHEMICAL OPERATIONAL PARAMETERS† (effective 4/2011)