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Thread: Chlorine demand still high after months of slamming

  1. Back To Top    #1

    Join Date
    Sep 2015
    Location
    London
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    4

    Chlorine demand still high after months of slamming

    Hi,

    my hot tub is consuming 2ppm per day FC and CC is above 0.5

    using lamotte commercial 7 testing kit

    hot tub had been standing for a few months with residual water in the pipes after the pump broke and I emptied the tub

    after refill i have been slamming. Cya is zero, the bugs ate it when fc dropped to zero when I couldn't keep up slamming.

    i even hyper chlorinated to 50ppm but still the demand and high cc exists

    i will change the filter again but what else can i do? Change water? It has only been a few months since i recommissioned

    it is becoming tiresome now.

    Our pool is behaving perfectly...

    thanks

    malcolm

    our hot tub is 980 ltrs Toronto spa from canadian hot tubs

  2. Back To Top    #2
    Mod Squad pooldv's Avatar
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    Aug 2012
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    DFW, TX
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    23,999

    Re: Chlorine demand still high after months of slamming

    The only other thing to do is get some ahh-some tub cleaner and give it a good cleaning. But, 2ppm per day isn't all that bad.
    TFP Moderator
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  3. Back To Top    #3

    Join Date
    Sep 2015
    Location
    London
    Posts
    4

    Re: Chlorine demand still high after months of slamming

    Hi, thanks for the feedback.

    i looked up what ahhsome is. I'll try to get some in the UK.

    i thought anything above 1ppm loss per day was bad, esp. combined with high cc

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