I just completed an owner build pool and have some questions about why I am having such a hard time with PH & Alkalinity.
The pool is a pebbletec with Salt system and a spill way spa. Pool is around 16500 gallons and spa is around 1000. I can't seem to put enough acid in to keep the ph below 7.8 or the alkalinity below 100. I seem to be having to put over a gallon a week in. I run the filter pump around 9 hours per day with the suction from the pool and return to the spa so the water is flowing over the spillway. I have researched that aerating causes these two to rise but that much?
Any ideas why it is so out of wack?
Thanks for any suggestions.