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Thread: swg ppm levels

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    swg ppm levels

    some salt generators work at between 2600-3200 ppm
    and others work at 3200-4000 ppm

    is there a reason why they work at different levels? does this have an effect on reliability or cell life?
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    JasonLion's Avatar
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    Re: swg ppm levels

    Market pressure in the US has been pushing down the lowest salt levels that units will work at. Working at lower salt levels requires slightly more expensive components, but customers are demanding that they work with the lower levels. Manufacturers have been following that trend (some more quickly than others).
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    Re: swg ppm levels

    the higher the salt the more efficient SWG cells are.

    lifespan depends more on electrode design and material quality

    most of Australian units work on 4500-6500 ppm, because there is no market pressure here to bring it down

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    Re: swg ppm levels

    so if I had to make a choice between, zodiac 3200ppm - 4000ppm or aquatrol 2600ppm-3200ppm
    which should I choose?
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    JasonLion's Avatar
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    Re: swg ppm levels

    I wouldn't make the decision on the basis of the recommended salt level, unless you already have a strong opinion on that subject. It doesn't make any significant difference to the chemistry and the taste is very similar and not objectionable to most people either way.

    Personally, I prefer Hayward to Zodiac, but not for any reason having to do with the salt level.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    New2Me's Avatar
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    Re: swg ppm levels

    Personally, I prefer Hayward to Zodiac, but not for any reason having to do with the salt level.
    OK, I'll bite. Why do you prefer Hayward to Zodiac?
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    New2Me's Avatar
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    Re: swg ppm levels

    Sorry Jason, I read the new posts from the bottom up, and just saw that you answered my above question in poolnoob's other post.
    22 x 40 IG vinyl lined, 23,570 gal.
    1 hp. Pac-Fab Challenger pump 300# sand filter
    Intex 8110 SWG, Hayward CL220 offline feeder
    Hayward 250K Btu gas heater
    Aquabots

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    Mod Squad Bama Rambler's Avatar
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    Re: swg ppm levels

    Quote Originally Posted by New2Me
    I read the new posts from the bottom up
    Wow, I thought I was the only one that did that!
    Dave J. TFP Moderator
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