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Thread: First test with TF Test Kit

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    First test with TF Test Kit

    I just got my new test kit in the mail today (thanks for the fast shipping!), so I immediately rushed out to perform my first test. Here are the numbers:
    FC 9
    TC 9
    pH 7.8
    TA 150
    CH 310
    CYA 72
    Temp 81

    I have an 18,000 gallon gunite pool with a DE filter that's on the fritz. I'm waiting for the Home Warranty people to replace it - anywhere from 3 days to 2 weeks. The water looks clear for the most part - I'm hoping that the slight cloudiness is due to DE in the pool.

    I know that the TA is a bit on the high side, but I'll leave the solution to that and everything else up to the gurus!

    Thanks for the help in advance!
    18K (I think) gal gunite pool, Pentair FNS DE Filter, Polaris 280 cleaner, TF-100 Test Kit

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    Re: First test with TF Test Kit

    What type of chlorination are you using? SWG? Tabs? Clorox?
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Oops. Sorry!

    I'm using TriChlor tabs in an inline chlorinator. I did just dump 2 big jugs of Ultra Bleach into the pool since the filter isn't working that well.
    18K (I think) gal gunite pool, Pentair FNS DE Filter, Polaris 280 cleaner, TF-100 Test Kit

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    JasonLion's Avatar
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    Your CYA level is getting high, not a problem yet but it will be.

    Otherwise you are alright given you are using trichlor.
    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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    In a non-SWG pool, I'd like to see CYA in the 40-60 range....you're over that, obviously.

    If it were my pool. I would stop using the pucks right away.

    I would suggest you need to stick with Clorox or 10% pool chlorine for the rest of the summer.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Aargh! I was hoping you wouldn't say that...

    Of course, I just purchased a brand new batch of chlorine.

    But then again, it's better than doing a partial drain and refill like I had to do a couple of months ago. Back then, the CYA was up to 150.

    Should I lower the TA?
    18K (I think) gal gunite pool, Pentair FNS DE Filter, Polaris 280 cleaner, TF-100 Test Kit

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    Yeah, the T/A and pH could both come down a little bit. I wouldn't put it on my top two things to do tomorrow but pH around 7.4 and 100 T/A is probably close to perfect if you want to fine tune.

    Post back up if you've got questions on lowering T/A.....it can be a little confusing.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    I read somewhere in one of the threads that to lower the TA I should use acid (which will also lower the pH) and aerate. How exactly do I aerate?

    I have one of those Polaris Waterstars fountains. Will that do?
    18K (I think) gal gunite pool, Pentair FNS DE Filter, Polaris 280 cleaner, TF-100 Test Kit

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    I have one of those Polaris Waterstars fountains. Will that do?
    Probably. The more bubbles you create, the faster the process. One member put a bubbler on the end of his air compressor and ran the air compressor 24/7......Yikes.

    Fountains are probably the best bet.....the guideline is bubbles, bubbles and more bubbles!
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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