1. Add 1/2 oz. per 500 gallons to the spa water. 2. Check chlorine residual after 5 minutes it must read between 2 to 3 ppm (If not, additional chlorine must be added). 3. Add 1 oz. per 500 gallons every 2 to 4 weeks to help keep your spa free from ordors and algae.
For maintenance, it is necessary to keep your spa 2 to 3 ppm chlorine reading.
*It is important to maintain the pH between 7.2 and 7.8. High pH (above 7.8) can cause scaling and/or cloudy or colored water.