Keep your pool’s chemical readings in these ranges:
- PH: 7.2 to 7.8
- Alkalinity: 80 to 120 ppm
- Calcium Hardness: 250-450 ppm
- Cyanuric Acid or Conditioner: 30-50 ppm
- Chorine residual: 1.0 to 1.5 ppm; upt to 2.0 in the summer with ozone, 3.0 without
- Combined chlorine: 0 ppm
Adjust down PH with muriatic acid. Never add more than a pint at a time. Re-test than add again as needed. As you add acid to adjust down the PH this should in turn cause the alkalinity reading to come down. Read your test kit guide; it has plenty of useful information and tips. Call your local pool store if you have any questions.
The temperature has a drastic affect on your swimming pool. In the Phoenix desert, the extreme summer temperatures mean that you might have to pay more attention to your water chemistry and the clarity of your swimming pool water. It should be crystal clear all the time and swim ready.
act your pool professional.