I recommend a maximum cyanuric acid (CYA) of 50 ppm in swimming pools except when using a saltwater chlorine generator...

So if I am using liquid chlorine and it does not raise pH, what is causing the pH to go...

Advanced Oxidation Process AOP is an abbreviation for Advanced Oxidation Processes. In general, AOP is a group of chemical treatments...

PHTA Guideline and Health Codes May Be Inadequate The PHTA Guideline for residential pools (ANSI/APSP-5 2011) states that the free...

This happens more than I realized. Many chemical manufacturers use sodium bromide in their algae control products or specialty products...

Borate Changes to pH, Total Alkalinity, TDS and Acid to Neutralize per 10,000 gallons         Product  ...