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Shocking: Why and When

With regular use of your spa there will be an increased amount of non-filterable wastes such as perspiration, oils and organics that can accumulate. As these contaminants enter the water they will react with the sanitizer (chlorine or Bromine ) to form either Chloramines or Bromamines.

Chloramines and Bromamines are the most common source of spa water problems such as: eye and skin irritation, foul odors and dull, cloudy water.

Shocking or super-chlorinating the water will burn out the Chloramines or Bromamines. This can be accomplished by either the  addition of Chlorinating Granules or a non-chlorine shock treatment.

Your spa should be shocked every 7 to 10 days, depending upon the level of spa use, or whenever there has been increased bather activity.