AquaDoc Spa Alkalinity Increaser and pH Increaser for Hot Tub Bundle - Includes 32oz pH Up and 32oz Alkalinity Up for Hot Tub - Spa Chemicals to Help Balance Water - Made in USABrand: MAV AquaDoc Features: Spa pH Up and Alkalinity Increaser for Hot Tub Bundle AquaDoc's spa chemical kit includes a spa pH increaser for hot tub and total alkalinity increaser for hot tub use. Its designed to help raise and balance pH and alkalinity levels in your spa water for consistent water quality. Raise Alkalinity in Hot Tub & Spa pH Levels Fast Low spa pH and total alkalinity levels can cause water chemistry issues. Use our spa pH up and