PH of water. A lot of people always ask that question. What is good pH, what is bad pH? For the most part, low pH, anything lower than 7, that's when the water becomes acidic. Anything higher than 8.2, the water becomes alkaline. Some people like more alkaline, some people don't. Neutral pH is around 7.2 to 7.8. So with our Ro treatment systems for the whole house system, even the drinking water Ro system, we have pH correction filters where for some reason, it the pH drops after the system, we

How To Use A PH Tester and Calibration - Testing PH In Your Water