1. Turn spa jets on for circulation. 2. Raise calcium hardness 7 ppm by adding 1 oz. per 500 gallons of the solution to the spa water. 3. Run the spa filter for 2 hours to ensure ideal hardness levels (if not, repeat these steps).
For maintenance, it is necessary to keep your spa hardness level 150 to 400 ppm.
*It is important to know that this is adaptable with chlorine, bromine, biguanide, and ozone.
