Spa Alkalinity Increaserâ„¢ Instructions

Directions for use:

Read the entire label before using.

  1. Test spa water for total alkalinity level.
  2. Compare test results to chart below to determine appropriate amount of product necessary to make adjustment.
  3. With spa circulating pump on high speed, add required amount directly into spa water. Continue circulating water a minimum of 20 minutes.

Dosage Chart
All values are in dry ounces

Spa Volume20ppm40ppm80ppm100ppm
200gal1oz2oz4oz5oz
400gal2oz4oz8oz10oz
800gal4oz8oz16oz20oz

NCI threaded safety cap = 1/2oz

NCI large over cap = 4 1/2oz