AquaDoc Total Alkalinity Increaser for Hot Tub to Keep Alkalinity Up for Spas – Alkalinity Booster Chemical for Hot Tub & Spa pH Balance – Get Fresh Water pH Balance & Bring Alkalinity Up – 2lbs. Price: $19.99 (as of 11/05/2023 12:13 PST- Details)

Need to increase Alkalinity Levels? Use our 2 lbs. container of total Spa Alkalinity Increaser! The alkalinity level of your spa is essential to water balance. A balance in the pH helps prevent damage & corrosion.
Raise Alkalinity in Spa: With AquaDoc Alkalinity Booster, balancing your spa water is quick and easy. Whenever the ph levels of your water become unstable, add our product to raise it to the optimal range, with our hot tub alkalinity increaser.
Alkalinity Up You Can Rely On: Using Alkalinity Booster helps you safeguard your Hot tubs and Spas. It might prevent corrosion and etching on metal and plaster. It helps in reducing skin and eye irritation due to chemical imbalance levels.