All Clear Spa Dry Acid Size:2lb Pressure switch for Watkins brand

Pressure switch for Watkins brand hot tubs with Cedric or Hawk mainboard systems

Part# 72733

Description: Sealed top with rope handle and threaded bottom

Replacement filter for the Arctic Plunge Cold Plunge and the Caldera Spas Emerge Cold Plunge

All Clear Spa Dry Acid Size:2lb Pressure switch for Watkins brandDry acid is used to lower pH and Alkalinity. To low pH you would need to disperse small amounts across the water. To lower Alkalinity the process is a bit different. You would add anywhere from 5oz 15oz into the deepest area of the tub in a concentrated area to create a 'Bubble Effect' causing the Total Alkalinity to drop and only temporarily affecting the pH. Active Ingredient.. Sodium Bisulfate 94. 5% Available in 20oz, 2lb, or 6lb