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All I can tell you is that I've been using it fairly successfully for just under a year, and I have a friend who has been using it successfully for about 5 years. I do have a UV light on my tub as well, so maybe that's part of it. But it's working for us and as I said earlier, without it my wife would not be able to go in the hot tub.
Quote from: Quickbeam on January 30, 2015, 05:00:45 pmAll I can tell you is that I've been using it fairly successfully for just under a year, and I have a friend who has been using it successfully for about 5 years. I do have a UV light on my tub as well, so maybe that's part of it. But it's working for us and as I said earlier, without it my wife would not be able to go in the hot tub.Does it seem like your water change frequency is higher or lower that other sanitation systems?
Quote from: Quickbeam on January 30, 2015, 05:00:45 pmAll I can tell you is that I've been using it fairly successfully for just under a year, and I have a friend who has been using it successfully for about 5 years. I do have a UV light on my tub as well, so maybe that's part of it. But it's working for us and as I said earlier, without it my wife would not be able to go in the hot tub.You can read about hydrogen peroxide in this page from the EPA. Note that while hydrogen peroxide by itself is not approved by the EPA for disinfection because it does not kill pathogens quickly enough, when used with either ozone or UV these break down the hydrogen peroxide into hydroxyl radicals that are powerful (though very short-lived) oxidizers. So with a more powerful ozone or UV system it will break down hydrogen peroxide more quickly. Though the hydroxyl radicals will disinfect for water circulated through the system, they will not do anything to any pathogens growing on surfaces, though the hydrogen peroxide itself may inhibit some such bacterial growth.