Simple Blue Spa Power Boost
Recommended for spas and hot tubs operating at 90-100 degrees F.
START-UP or refill - balance water and then add 1 oz of Power boost per 500 gallons. Repeat this step, if necessary, to establish a positive free chlorine residual of 1.0 to 3.0 ppm
DAILY - Add Power Boost prior to each use as needed based on tes