1) Fill with fresh water and bring a sample of water into Swim Rite for a chemical analysis. Adjust the Ph 7.2-7.6, the Total Alkalinity 90-110 ppm, and a Calcium Hardness of 200-400 ppm.
2) Add the correct dosage of sanitizer to the water per directions depending on what sanitizer you are using: Baqua Spa, Nature2, Bromine, or Chlorine.
3) Heat spa to the appropriate temperature (no more than 104 degrees F) and enjoy!