The following procedure should be used whenever a residential spa is being filled.

Step 1.
Have your water tested for pH, total alkalinity, calcium hardness and stain producing metals. Testing first will give you an idea of the adjustments you need to make to your water upon filling. (Complete step 2 before making any adjustments.)

Step 2.
Add a good sequestering agent as the spa is being filled. Once full, start the pump and filtration system and allow to circulate for 24 hours, if practical.

Step 3.
Test water for pH and total alkalinity. The water should be balanced so that the pH and total alkalinity are within the normal ranges.

The pH should be 7.2-7.8 and the total alkalinity 80-120 ppm.

Once proper levels are obtained, you may want to use a pH lock product to prevent fluctuation of the pH and total alkalinity from refill to refill.

Step 4.
Initially shock treat the water by using a quality non-chlorine shock.

Step 5.
Begin to add desired sanitizer to the water following the manufacturer’s guidelines.

Step 6.
Test and maintain pH, total alkalinity and sanitizer at proper levels.

Step 7.
Water should be drained every 3 months or as necessary to maintain proper water quality.