The NSPF and APSP Merged
The Pool and Hot Tub Alliance In January 2019, the National Swimming Pool Foundation (NSPF)...
What Does NSF Certification Mean?
The organization referred to in this article is NSF International, formerly the National...
Understanding ORP: Oxidation Reduction Potential
Note: As usual, this is an article that aims to simplify a complex topic. To all the chemists...
Understanding LSI: The Langelier Saturation Index
The LSI is one of the cornerstones of the Orenda program. In fact, LSI Balance and Calcium...
Swimmers pee in the pool. Accept it, and act accordingly.
Swimmers pee in the pool. But you probably knew that already Not only is peeing in the pool...
Protect Pool Plaster with LSI Balance from the Start
Pool builders, plaster applicators and service techs know that a pool startup can be a real...
CDC Regulation on CYA: 15ppm
In the event of an Accidental Fecal Release (AFR), the CDC has published a recommended limit to...
World Class Water Clarity
Any pool is capable of having world class water clarity, provided they have the right components...
Total Alkalinity vs. pH, and Their Roles in Water Chemistry
Have you ever asked...
Pool IAQ interview with Keith Coursin, Desert Aire
Keith Coursin clears the air: Pool indoor air quality was a big deal before it became a big deal.
