Natural Chemistry Spa Foundation 2 lb

Directions for use:

1. Before adding this product, always adjust water balance
(alkalinity, pH and calcium hardness) to dealer recommended levels.
  Start with a clean hot tub/spa and active filtration.

Initial Dosage
1. With circulation pump running, slowly add 6 level capfuls per 400 gallons
1500L) of spa water to skimmer or closest return inlet to filter.
(Some short term cloudiness may occur).
2. After allowing tub to circulate for 4 hours, check pH and adjust if necessary

Weekly Maintenance Dosage
1, With circulation pump running slowly add 1/2 capful per 400 gallons
(1500L) of spa water to skimmer or closest return inlet to filter