To lower pool pH, add muriatic acid (liquid) or sodium bisulfate (dry acid) to your pool water. Use 1 quart of muriatic acid per 10,000 gallons to lower pH by 0.2 units, testing and adjusting gradually.
To lower pool alkalinity, add muriatic acid or sodium bisulfate (dry acid) to your pool water. Use 1 quart of muriatic acid per 10,000 gallons to lower alkalinity by approximately 10 ppm.
To lower pool alkalinity, add muriatic acid or sodium bisulfate (dry acid) to the deep end with the pump running. Use 1.3 lbs of muriatic acid per 10,000 gallons to lower alkalinity by 10 ppm.
