Spa Alkalinity Increaser - 2.7 Lb.


Maintaining correct alkalinity levels improves the effectiveness of your chosen hot tub sanitizer while preventing scale. Desired range for TA is between 80-140 ppm. Natural Chemistry Spa Alkalinity Increaser helps maintain balanced water chemistry by buffering pH and improving bather comfort.

  • Brings alkalinity level up to the ideal range
  • Reduces skin and eye irritation
  • Protects spa surfaces and equipment
  • Easy to dose & measure cap