Proteam 73212240A 24 oz PH Down (DRY)

Broadcast over entire spa water surface with pump running If pH is between 7.7-8.0, add 1/4 ounce (2 tsp) for every 500 gallons of water If pH is above 8.0 then add 1/2 ounce (4 tsp) for every 500 gallons of water Retest pH after 30 minutes, reapply if needed