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Thread: Non-Chlorine Shock and CC tests

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    Isaac-1's Avatar
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    Non-Chlorine Shock and CC tests

    Maintaining an indoor pool, I generally prefer to use Non-chlorine shock as it takes an exceedingly long time for free chlorine numbers to fall when using chlorine shock. (the pool has a typical FC consumption of 2 - 2.5 ppm per week on light use weeks). I have read online that use of Non-Chlorine shock (I use either HTH or AquaEZ shock and swim, both are based on POTASSIUM MONOPERSULFATE) can cause false CC readings on some pool tests unless special precautions are taken. I have the TF-100 kit, and I am wondering is this one of the tests that can cause false CC levels, and if so what can I do to get correct CC readings?

    thanks Ike


    p.s. I try to do chlorine shocking 2 or 3 times per swim season when I know no one will be using the pool for several days
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
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    Isaac-1's Avatar
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    Re: Non-Chlorine Shock and CC tests

    Upon doing more research on this topic, I have found Taylor offers an optional add on to their 2000 series kits (K-2042, and K-2041) that takes care of this problem.

    Ike
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
    ~Remember TFP counts on your donations to keep this site ad free~

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    JasonLion's Avatar
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    Re: Non-Chlorine Shock and CC tests

    Yep, K-2041 (0.75 oz) or K-2042 (2 oz) is what you want. Both are compatible with the TF-100.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Isaac-1's Avatar
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    Re: Non-Chlorine Shock and CC tests

    I hope I am not breaking a board rule here by talking about pricing, but I am wondering if I am missing something, looking at the Taylor web site it looks like the K-2042 kit contains the R-0867 reagent, an eye dropper, and a instruction sheet along with display packaging, no case or anything else and is priced at $23.85. When looking at the contents and pricing the individual parts, the 2 oz R-0867 reagent sells for $13.95 and the #4030 eyedropper is $2.25, so is it just me or does that mean the instruction sheet and plastic bag with cardboard header packaging works out to be over $7?

    Ike
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
    ~Remember TFP counts on your donations to keep this site ad free~

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    JasonLion's Avatar
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    Re: Non-Chlorine Shock and CC tests

    Yes. It comes out that way sometimes. You are paying for the labor to stuff and seal the plastic bag. If it was a high volume product the prices would be the other way around, but for low volume products this kind of thing is fairly common.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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