acid pump

Third year pool owner in Phoenix, AZ. Pool specifics are: 10,846 gallons Pebble-Sheen SWG Pentair IntelliChlor IC40 Typical pool chemistry: FC 3-7, pH 7.9 to 8.5, TA 70, CH 150-1000 (see chart for 2023 test results), CYA 50, Salt 3400 *Fill water is pH 8.5, TA 100, CH 100 Looking for...