pH Minus is used to adjust the pH level of pool water to be 7.2 for the optimum efficiency of water treatment. Add pH Minus when the pH level is above 7.6

Directions for use:
In order to lower pH level 0.1, use pH Minus 0.5 Kg. in 50 cb.m. of pool water. The dosage given is approximately. Regularly check and adjust pH to be at appropriate level. For the optimum efficiency, add pH Minus into skimmer of filter basket and make sure to remove all other chemicals from the filter basket before adding.