waterbear Posted November 9, 2020 Report Share Posted November 9, 2020 THE MAIN CAUSE OF pH RISE IN A POOL OR SPA IS OUTGASSING OF CO2. THE HIGHER THE TA (CARBONATION IN THE WATER), THE FASTER CO2 WILL OUTGAS AND THE FASTER THE pH WILL RISE. THE HIGHER THE AERATION OF THE WATER (OZONE SYSTEMS, SALT WATER SANITIZER SYSTEMS, AIR INJECTORS, AERATION FROM YOUR JETS, 24 HOUR CIRCULATION ON HIGH SPEED, ETC.) THE FASTER CO2 WILL OUTGAS AND THE FASTER THE pH WIL RISE. THE LOWER YOU PLACE THE pH THE FASTER IT WILL RISE (YOU ARE CONVERTING MORE BICARBONATE IONS, WHICH IS WHAT TA IS, INTO CARBONIC ACID, ESSENTIALLY CO2 DISSOLVED IN THE WATER Link to comment Share on other sites More sharing options...
Syrr Posted June 29, 2021 Report Share Posted June 29, 2021 More on this topic please. Link to comment Share on other sites More sharing options...
waterbear Posted June 29, 2021 Author Report Share Posted June 29, 2021 For more detailed information read my post on lowering TA. It explains the chemistry behind this in layman's terms. 1 Link to comment Share on other sites More sharing options...
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