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Thread: TF Test Kit - regents shelf life?

  1. Back To Top    #1

    In the Industry

    Join Date
    Jul 2010
    Location
    Ashford, CT
    Posts
    346

    TF Test Kit - regents shelf life?

    Have a TF test kit I purchased last year and just did my first test - got very bad reading on the CH.

    How long are the regents good for?

    They were stored in a heated garage?

    In particular the CH regents -as I got no reading.

    On the ColorQ I got reasonable results - and similar on Alk, but CH was like non existent. When I closed all was balanced.

    Just melted in the past few weeks and plan on opening this week - due to extreme warm winter and spring.

    Color Q
    PH 8.3
    Alk 70 TF 60
    CH 215 TF Never turned blue
    CYA 35 TF did not test

    Will take care of the PH and Chlorine when I get the water circulating.
    25k 20x40 Gunite w/ integrated Spa & Caribbean Blue Plaster, Curved Bluestone Coping, Deck Jets
    Pentair Easy Touch/Wireless, Sta-Rite Intellipro SRVS Pump, Intellibrite Lights, & Pentair IC40 Cell, Sta-Rite 450sf Cartridge filter
    Heated from Central Boiler - Outdoor Wood Furnace & Triangle Tube Max Heat Exchanger
    ColorQ Pro
    TF-100

  2. Back To Top    #2

    Join Date
    Feb 2008
    Location
    Denton, TX
    Posts
    5,061

    Re: TF Test Kit - regents shelf life?

    Reagents can last a few years if they are kept indoors and in a dark place. If they were subject to temp extremes, it can shorten the shelf life.

    So what happened during the CH test? What makes you believe that you got no reading? Was there no color change?

  3. Back To Top    #3

    In the Industry

    Join Date
    Jul 2010
    Location
    Ashford, CT
    Posts
    346

    Re: TF Test Kit - regents shelf life?

    I put apx 75 drops in and no change. When I closed it was like 300 or so. Will try again tomorrow but believe I did all right and use e stir-r.

    Color Q results have always been different, but not 3x more
    25k 20x40 Gunite w/ integrated Spa & Caribbean Blue Plaster, Curved Bluestone Coping, Deck Jets
    Pentair Easy Touch/Wireless, Sta-Rite Intellipro SRVS Pump, Intellibrite Lights, & Pentair IC40 Cell, Sta-Rite 450sf Cartridge filter
    Heated from Central Boiler - Outdoor Wood Furnace & Triangle Tube Max Heat Exchanger
    ColorQ Pro
    TF-100

  4. Back To Top    #4

    Join Date
    Feb 2008
    Location
    Denton, TX
    Posts
    5,061

    Re: TF Test Kit - regents shelf life?

    Well, you may have high CH. Were you using the 25 ml sample or the 10 ml sample to test?

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