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Thread: Chemistry behind Nature²

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    Madison Mike's Avatar
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    Chemistry behind Nature²

    If I did use the nature² system, I would check the spa for FC level, correct? I don't think I've read it here, what chemicals make this system work?
    Jacuzzi J375 Spa, 415 gallons, Bromine Sanitizer

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    Richard320's Avatar
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    Re: Chemistry behind Nature²

    Nature2 uses copper, silver, and aluminum oxide ions. http://www.appatek.com/MSDS/Zodiac/CF.pdf
    You don't need nor especially want those in your pool: http://www.troublefreepool.com/threa...ools-The-Truth! Unless you're a real fan of the Joker.



    If you search Nature2 in the search box, you'll find several threads. I recall several about the canisters splitting. Here's one. Somewhere there's anopther where the beads actaully clogged the main drain.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Mod Squad jblizzle's Avatar
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    Re: Chemistry behind Nature²

    Not to totally disagree with Richard, but it is EPA approved to use Nature2 with MPS (I think) in the spa environment as being discussed here.
    I would certainly not recommend it for a pool though.
    Jason, TFP Moderator
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    Re: Chemistry behind Nature²

    Nature2 for spas is different than for pools. There is no copper used, probably because algae doesn't usually grow in spas because they are dark (with a cover) and too hot at least some of the time. They use silver ions for sure and I believe zinc, but it's the silver that is critical because when combined with potassium monopersulfate at hot spa temperatures the combination achieves kill times fast enough to pass EPA DIS/TSS-12. (The silver ions with MPS at hot temperatures create sulfate free radicals and divalent silver ions that are the likely chemicals with faster disinfection rates.) So this is an EPA-approved disinfectant for spas.

    You would use the MPS after each soak to oxidize bather waste and you'd maintain an MPS level in between soaks as your disinfectant. See the Nature2 Spa Mineral Sanitizer Owner's Manual for approximate dosing instructions, but the rule-of-thumb without an ozonator is that every person-hour of soaking requires around 7 teaspoons of non-chlorine shock (43% MPS) to oxidize bather waste.

    You would still probably have to dose with some chlorine every week or two to keep the spa clear. MPS doesn't oxidize all the same things as chlorine -- interestingly, it doesn't oxidize ammonia much at all.
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    Mod Squad JVTrain's Avatar
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    Re: Chemistry behind Nature²

    Bought a house late last year with Nature2 installed already on the pool. Should I just leave it in place or attempt to remove/replumb outlet?
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
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    Mod Squad jblizzle's Avatar
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    Re: Chemistry behind Nature²

    If you can get the minerals out, then you could leave it installed.
    Jason, TFP Moderator
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    Mod Squad JVTrain's Avatar
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    Re: Chemistry behind Nature²

    I'll give it a go. I might have to replumb that section of line anyway due to other issues. It's currently installed just before split to returns.

    Just realized this was in the Spa forum. Sorry for the threadjack!
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
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    Isolated Spa - 345 Gallons

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    wjr75's Avatar
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    Re: Chemistry behind Nature²

    I bought a home three years ago and it also has a Nature2 pool cartridge. I just leave the canister empty and the water flows through. My understanding is that some of the canisters require a filter for flow through. If you take out the filter out of the canister and still have flow you are probably good. Not using it saves around a $100 bucks a year
    Inground 22k gallon gunite 15x31 main pool, 15x7 wading pool/sunning deck, hot tub/with overflow (9' octagon with limestone top) & slide NSWG, Aqua Blue Pebble Sheen
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