SpaPure Spa PH Decreaser is a powerful ph decreaser designed for the high temperatures of hot tubs. pH Decreaser is used to lower high pH levels as well as high Alkalinity levels. PH should be tested weekly and maintained at a level of 7.2 to 7.6.
1/4 oz per 500 gallons of water.
1/2 oz per 500 gallons of water.
If you are adjusting the ph with some frequency, test total alkalinity and make necessary adjustments. Use of ProTeams Gentle Spa will help maintain a stable ph and buffers alkalinity.