$8.99 (as of 18/04/2018 05:28 PDT details )
Features:
- SpaGuard Spa Total Alkalinity Increaser 2
- 1 tbs. per 100 gallons raises total alkalinity 25ppm
- Eliminates pH Bounce that can occur in your spa or hot tub water
- Helps prevent equipment and spa surface corrosion and damage
- Spa or Hot Tub Alkalinity Increaser