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Thread: Chlorine Test Question

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    Chlorine Test Question

    Test my chlorine twice a day with the TF-100 kit religiously. In the instructions it says to use a heaping scoop of the R-0870 powder. This may be a stupid question but how much is really a "heaping" scoop. Is it me or will how much powder I use alter my test result a bit? It seems if I use a rather heavy scoop my reading tends to be higher.

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    Re: Chlorine Test Question

    As long as there is enough there to turn the solution pink, you are good.

    When in doubt about your kit, refer to the extended test directions:
    http://www.troublefreepool.com/threa...Kit-Directions

    If you look at the FAS-DPD test, under the notes there is more detail about what I'm talking about.
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    Re: Chlorine Test Question

    As long as there are some undissolved crystals at the bottom you used enough. Using too much doesn't affect your results, only using too little.

    JD - 28' Round Above Ground Pool, 17,000 Gallons. Dual speed Jacuzzi pump with cartridge filter. Dual speed 1 HP pump, Hayward S210T sand filter
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    Mod Squad jblizzle's Avatar
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    Re: Chlorine Test Question

    You can not use too much powder, but too little can cause problems.

    If you start with a nice deep pink with a few extra crystals, then you should be using enough. For normal FC levels, one scoop is plenty only at high FC levels might 2 scoops be needed.
    Jason, TFP Moderator
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    Re: Chlorine Test Question

    Awesome, thank you. Now I feel confident my readings are accurate and my chlorine levels are where they need to be.

    - - - Updated - - -

    Quote Originally Posted by jblizzle View Post
    You can not use too much powder, but too little can cause problems.

    If you start with a nice deep pink with a few extra crystals, then you should be using enough. For normal FC levels, one scoop is plenty only at high FC levels might 2 scoops be needed.
    jb, what FC level would you say would require 2 scoops?

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    Mod Squad jblizzle's Avatar
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    Re: Chlorine Test Question

    I have no idea ... I think I have gone up to around 20ppm and still only needed 1 ... might have been a little more "heaping" than normal levels where I use a flat scoop.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Chlorine Test Question

    ok fine, i am only around 7-12 since my CYA is high. I'm good, thank you.

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    Casey's Avatar
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    Re: Chlorine Test Question

    I've only ever used 1 heaping spoon. When I dig into the powder, it falls off the spoon and I dump it into the testing tube.
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