olfarts Posted February 22, 2018 Report Share Posted February 22, 2018 we will be away for a month how do I keep my hot tub from becoming a bacteria tub Quote Link to comment Share on other sites More sharing options...
dlleno Posted July 9, 2018 Report Share Posted July 9, 2018 get a strong ozone generator, and use bromine. unless there are biofilms present, or contaminants get in under the cover I have discovered that a bromine spa will never go to zero sanitizer level under no load. in my own spa, the bromine level drops to something less than 1ppm over time, but never goes to zero. the conditions that must be present in order for this to work are: 1. sufficient sodium bromide in the water 2. a strong corona-discharge ozone generator. my stock Hot Spring Grandee does just fine 🙂 3. no biofilms present. In fact, I find that if (1) and (2) are met, and under no load conditions your bromine level DOES go to zero - it means that biofilms are present. Quote Link to comment Share on other sites More sharing options...
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