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A: Ozone is a highly reactive oxidizing agent. Some people are under the impression that ozone will destroy clarifiers and make them ineffective. We have found, however, that ozone does not affect the effectiveness of clarifiers. Clarifiers do provide a very real benefit in ozonated spas by helping the filter keep the water clean.

Q: I just refilled my spa and I'm having problems balancing my water. The pH is low and the total alkalinity is high. What can I do to fix it?

A: When the pH and the total alkalinity are opposite of one another, always fix the low number first. In this case, add a pH increaser until the pH is within a normal range. Then, adjust the total alkalinity by adding a pH level reducer. Using Robarb Perfect pH, Leisure Time pH Balance or GLB's Rendezvous pH Magic after this will lock your pH into the proper range.

Q: My spa has odd-shaped, white chips on the bottom after I shut it off! Where’s this stuff coming from?

A: The white chips are calcium deposits (scale which forms on the heater elements) which are knocked off when the blowers and jets are on. This problem can be prevented by using a sequestering agent, such as Rendezvous Protect Plus or Leisure Time Spa Defender, on a weekly basis to prevent the calcium in the water from forming deposits.

Q: My spa is foaming. Why?

A: There are several reasons that a spa foams. A common cause is the rapidly moving water combined with bathers bringing in soaps and detergents on their bodies and bathing suits increases foaming. Showering before entering the spa helps prevent this problem. If excess detergents are the cause of the foam, using a defoamer such as Rendezvous Foam Out, Leisure Time Foam Down, or Robarb Suds-X will reduce the amount of foaming.

Another cause of foaming is soft water. This means that the calcium level in the water is low. This can be corrected by raising the calcium level to 200-300 ppm.

Organic waste build up can also cause foaming. By shocking the spa on a regular basis, the wastes are oxidized out of the water and foaming is reduced.

Q: How often do I really need to shock my spa water?

A: How often you shock spa water depends on the sanitizer used and the bather load. If you are using the 2-part bromine sanitizing system such as Rendevous Enhance and Activate it is that you shock each time you finish using your spa. If you are using chlorine or bromine tablets, it is recommended that you shock at least one time per week. It may be necessary to shock more often if the bather load is heavy or the water is cloudy.

Q: I decided to buy a product to lock my pH at the proper level. When I added the product (such as Leisure Time pH Balance or Robarb Perfect pH) my spa water clouded up! Why?

A: These products are meant to be used in water that contains less than 150 ppm calcium hardness. Have your dealer test your water to ensure that your calcium level is below 150 ppm before using any of these products. If your water does cloud, the filter will remove the cloudiness, but you should clean the cartridge after the water clears. Once the spa clears, the spa will resume normal operation.