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Thread: What Do You Think? 1st Test Results.

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    Join Date
    May 2012
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    What Do You Think? 1st Test Results.

    I just had my pool installed last Thursday. It was full by Friday afternoon, so I added some CYA and 112 oz of bleach. My TF-100 arrived today, and here are my first test results:

    FC: 5
    CC: 0
    pH: 7.6 ish, maybe 7.8
    TA: 130
    CYA: 20

    My CYA has only been in for three days, so I'm sure this number will go up. Should I try to lower my TA since it's borderline high? Pool is looking great with crystal clear water.
    24' x 52" round AGP. 13,500 gallons. New install 6/12.
    Pentair SandDollar sand filter 1.5HP
    Pentair Dyna-Pro pump
    BBB since day 1 (Thank You!)

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    Butterfly's Avatar
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    Re: What Do You Think? 1st Test Results.

    All looks good so far I suggest you leave TA alone for now.

    How much CYA did you add?
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    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

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    Mod Squad jblizzle's Avatar
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    Re: What Do You Think? 1st Test Results.

    Looks pretty good.

    How much CYA did you add? What was your target?

    Keep the pH below 7.8 ... keeping it in check should also slowly lower your TA. Probably no need to actively work on the TA, just see where everything balance out for now ... no sense giving yourself extra work

    Keep a close eye on your FC and CYA and

    Start swimming!!!
    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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  4. Back To Top    #4

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    Re: What Do You Think? 1st Test Results.

    I added 4 lbs of CYA. My target is 40. I forgot to say that my pH was low initially at 7.0. I added Borax according to the pool calculator to bring it up to 7.6. I may have misjudged the amount put in or the amount of water in my pool and made it a little too high. I have muriatic acid on hand if it gets any higher. Also, is it safe to use pH down sold at Wal-Mart to lower the pH? Are all types dry acid? What should I look for on the label? The acid just makes me a little nervous .
    24' x 52" round AGP. 13,500 gallons. New install 6/12.
    Pentair SandDollar sand filter 1.5HP
    Pentair Dyna-Pro pump
    BBB since day 1 (Thank You!)

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    Mod Squad jblizzle's Avatar
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    Re: What Do You Think? 1st Test Results.

    Looks like 4 lbs in 13500 gallon pool is about 36 ppm CYA (it also lowers you pH by 0.66 ... which may be why it was down around 7).
    Depending on the amount of sun you pool sees, may eventually want to go up a little more.

    Nothing wrong with the dry acid. See Recommended Pool Chemicals for recommended ways to add various chemicals to the pool.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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