
This Omnipure water filter increases pH level from 6-7 pH to 8-9.5 pH. This is the best acid neutralizing filter if your water has a pH level of 6.8 or lower. Acid neutralizing, remineralizing inline K2548BB Omnipure Calcite (Acid Neutralization – pH raise) filter, 2″ x 10″, NSF Certified.