SeaKlear Spa Alkalinity Up - 2 Pound Bottle
Alkalinity Up raises total alkalinity in hot tubs. Maintaining the correct alkalinity level improves the effectiveness of your hot tub sanitizer and helps prevent scale. It also prevents corrosion of metals, etch of hot tub surfaces , eliminates pH "bounce", and helps you maintain pH at the proper level.
- Sodium Hydrogen Carbonate 100%
Directions For Use:
- Add 1 ounce of Alkalinity Up to hot tub water
- Allow water to circulate for 30 minutes
- Retest water and repeat steps until the desired level is reached.
Note: The desired range for total alkalinity is between 80 to 140 ppm.