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Thread: TA drop with CH rise?

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    May 2016
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    TA drop with CH rise?

    On 07/09 I got the following results after testing:
    FC 17.5 (FC was high to deal with the lack of a working pump)
    TC 0
    TA 110
    CH 290
    CYA 80
    PH 7.5


    Tested today:
    FC 7.0
    TC 0
    TA 90
    CH 330
    CYA 80
    PH 7.8

    Should I be concerned about the rise in CH and fall of the TA? I haven't added any chemicals besides MA and Chlorine to deal with PH and FC levels. Are these levels ok or is there something that needs to be done??
    35,049 gal in ground free form pool, Jandy CL580 Cartridge filter, Jandy SHPF2.0-0 pump, Chlorine

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    Mod Squad pooldv's Avatar
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    Re: TA drop with CH rise?

    No. The TA falling is good. You want it in the 50-60 range.
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    Re: TA drop with CH rise?

    Your FC and TC numbers should be close or equal. Are you referring to CC and not TC?
    14,700 gallons IG Pool Vinyl Liner - Octal Circulation System
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    Hayward CL2002 Chlorinator - Hayward Super Pump 2 HP Model # k48m2n111
    Hayward AQR9 SWG 25K Salt Cell & TF-100 Test Kit + Speed Stir
    Gulfstream HE125RA - 117K BTU Heat Pump - Date of Build is 11-2013

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    Re: TA drop with CH rise?

    Correct.
    35,049 gal in ground free form pool, Jandy CL580 Cartridge filter, Jandy SHPF2.0-0 pump, Chlorine

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    Re: TA drop with CH rise?

    So the CH is nothing to worry about?
    35,049 gal in ground free form pool, Jandy CL580 Cartridge filter, Jandy SHPF2.0-0 pump, Chlorine

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    Mod Squad pooldv's Avatar
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    Re: TA drop with CH rise?

    No, your CH is fine. Why are you worried about it?
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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