Ensure all spa and tub equipment is working properly.  Backwash or clean the filter system following manufacturers directions.  Adjust pH to between 7.2-7.6.  When using other products as outline in the directions for this product, always follow directions on those products.  Spas should be drained and cleaned at least every 60 days or whenever water becomes difficult to manage or keep clear.  Both oils, salts and lotions should not be used unless specifically formulated for use in spas and hot tubs as they can lead to cloudy water.

Maintenance Dose:

With pump on, add 1/2 teaspoon of this product per 100 gallons of water as an initial treatment.  Repeat at 15 to 20 minute intervals until a residual of 3-5 ppm of available chlorine is established as determined by test kit.  A test kit must be used regularly to determine the frequency of additional doses of this product needed to maintain the chlorine residual of 3-5 ppm.

Superchlorination:

Use 1 teaspoon of this product per 100 gallons of water.  Superchlorination may be needed on a nightly basis in a heavy used spa or as infrequently as once a week in a moderately used spa.