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16.68 - Total Alkalinity Increaser 2#


Total Alkalinity Increaser for Spas & Hot Tubs.

  • Raises total alkalinity
  • Eliminates "pH bounce"
  • Helps prevent equipment & spa surface corrosion & damage
  • Helps control pH
  • Helps prevent equipment and spa surface corrosion and damage
  • Protects spa surface and equipment by buffering against pH change
Product Info

Available sizes: 2lbs

  • 100% sodium hydrogen carbonate
  • 1 Tbs. per 100 gallons raises total alkalinity 25 ppm
  • Powder form
How To Use
  • Broadcast into spa with the circulation running (no aeration).

See chart below for dosage:

Spa Volume Increase TA 25ppm Increase TA 50ppm Increase TA 75ppm Increase TA 100ppm
100gal 1Tbsp 1 2/3 Tbsp 2 1/2 Tbsp 3 1/3 Tbsp
200gal 1 2/3 Tbsp 3 1/4 Tbsp 5 Tbsp 6 1/2 Tbsp
250gal 2 Tbsp 4 Tbsp 6 Tbsp 8 Tbsp
300gal 2 1/2 Tbsp 5 Tbsp 7 1/2 Tbsp 10 Tbsp
400gal 3 1/4 Tbsp 6 1/2 Tbsp 10 Tbsp 13 Tbsp
 * 4 Tbsp = 1/4 cup