* muriatic acid is a corrosive product and should be used carefully to avoid injury and prevent damage to any surfaces.
Directions for use:
1. Use test kit or have water tested to determine current pH of the water
2. When pH is above 7.8 add by broadcasting product directly into the deep end of the pool with the pump running. ( use test kit chart or consult a pool professional to determine how much muriatic acid to apply)
3. Allow the water to circulate for 2 - 3 hours
Note: Do not allow any swimmers into the pool at least 30 minutes after application. Pour liquid away from any metal objects in the pool and avoid high concentrations to prevent damage to pool surfaces.