Swimming Pool pH Minus Decreaser For Pools, Spas, Jacuzzi and Hot Tubs 3 lb

The proper pH range is 7.2 - 7.6 and Total Alkalinity is 80 - 120 ppm. To correct high pH water conditions, simply add pH Decreaser whenever the level goes above 7.6. To correct high alkalinity, simply add whenever the total alkalinity goes above 120 ppm.