Q: What is the proper level for Bromine or Chlorine in a hot tub? Bromine is not recommended for use in wood hot tubs, always refer to the chemical care instructions provided with new wood tub purchases. A: Bromine should be 5 ppm, (parts per million) and Chlorine should be 3 ppm, (parts per million) Q: What is the correct pH range for hot tubs? A: pH level should be between 7.2 – 7.8 .
Q. When should a cartridge filter be acid washed? A. Acid washing is perhaps the biggest single factor leading to premature filter cartridge failure! For years, service technicians and homeowners have acid washed D.E. grids. However, cartridge elements do not have the protective D.E. powder coating that grids have and can be permanently damaged by the acid. As a rule of thumb, acid wash only when required, if at all, and never without thoroughly .
What is Ozone? Ozone is active oxygen, O3. It occurs naturally in the earth’s atmosphere to protect us from the sun’s harmful rays. What are some uses of ozone? Some common uses are: pool and spa water purification, aquarium water purification, drinking water and waste water purification, meat processing and air freshening. How long has ozone been used to purify water? Since the late 1800’s. How long has ozone been used to purify pool .