Raises alkalinity to ideal levels in your spa or hot tub. Balanced water chemistry is the first, most important step to clean, sparkling water in your spa or hot tub. Raising alkalinity to the "safe zone" of 80 to 150 ppm (parts per million) makes your spa pH easier to keep in line and makes your spa sanitizer work more effectively. ...
Raises alkalinity to ideal levels in your spa or hot tub. Balanced water chemistry is the first, most important step to clean, sparkling water in your spa or hot tub. Raising alkalinity to the "safe zone" of 80 to 150 ppm (parts per million) makes your spa pH easier to keep in line and makes your spa sanitizer work more effectively. Use spa alkalinity increaser to stop eye irritation and corrosion that can result when your spa alkalinity level drops below 80 ppm (parts per million).