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Wednesday, October 04, 2006

Rash from a Hot Tub?

Question:

"I'm getting a rash from our hot tub - mostly around where clothing is. Water is perfectly clear but chlorine is high. Could this be the problem?"

Answer:

This sounds like your skin is sensitive to the amount of chlorine you have in the water, but just in case, here is some information I hope you find useful.

The fact that you are telling me that your chlorine level is high and the water is clear is a good sign, however, you can have a high chlorine level, but still not have enough free chlorine - the kind that kills bacteria. Check your free chlorine level to make sure you truly have enough sanitizer. If you find that your total chlorine is high, but your free chlorine is low, shock your tub with non-chlorine shock to free up chlorine to kill bacteria (typically your tub would be cloudy). Do not get in your tub until your free chlorine maintains a 3ppm level of free chlorine.

If the rash is persistent - stay out of the tub and see your doctor because it could be folliculitis. If it is folliculitis it will only get worse the more you are in your tub.

Other causes of rashes:

Chemical Sensitivity - Obviously, if you are above the recommended range of any chemical you can experience skin irritation. Always use the recommended amount. More isn't better - especially with chemicals. Companies use different formulations. One bottle of chlorine could be 99% sodium dichlor, the next could be only 80%. READ THE BOTTLE. To dissipate a high chlorine level turn on your jets and bubbling system to help. Otherwise, you may need to wait a few days for the chlorine to go away.

Potassium Monopersulfate - I have heard that some people (especially men) are developing sensitivity to potassium monopersulfate, which is a type of non-chlorine shock. Often a rash will develop in the "soft spots" of the body - the back of your knees, your stomach etc. Sensitive people who use mineral sanitizers with a monopersulfate shock can usually convert to a chlorine-based program. This often works well with a mineral program like Nature 2 water sanitization technology because you don't have to use a large amount of chlorine - something else you can consider if you are also sensitive to chlorine.

pH - If your pH isn't balanced you can also get an acid/base burn. While typically not severe, it can appear as a rash and be sore and itchy for a day or so. Make sure your levels are around the 7.2 mark and your alkalinity is between 80 and 120.

The important thing is to accurately measure your water with hot tub water test strips regularly so you are assured that it is properly balanced, even if the water appears to be perfectly clear.

Hope this helps!!!

: )

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