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Thread: Another new guy. First Test results

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    MrPat's Avatar
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    Another new guy. First Test results

    I just got my TF-100. Here are the results.

    FC 9
    CC 0
    PH 8.2
    TA 200
    CH 330
    CYA 60

    Pool Temp 65 degrees. The pool is in a courtyard and gets no direct sun in the winter (summer is a different story)

    I have a chlorinator now. I'll add wet acid tomorrow following pool math's formula. I have too much chlorine and my CYA is high. Pool math suggests replacing 33% of my pool water to lower my CYA. I will consider using bleach instead of the chlorinator, but my I am concerned with summer pool maintenance. We travel for two or three weeks at a time. the chlorinator eliminates testing every day. Otherwise, I am willing to put in the maintenance time and effort. What do other owners do while they are away?
    6500 Gal. In Ground, Diamond Brite finish.
    Pentair 1hp pump
    Hayward C1200 filter

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    Re: Another new guy. First Test results

    My assumption is you have a tab or "puck" chlorinator, not an SWG, right?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    MrPat's Avatar
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    Re: Another new guy. First Test results

    Yes, the 3" tabs.

    Thanks
    6500 Gal. In Ground, Diamond Brite finish.
    Pentair 1hp pump
    Hayward C1200 filter

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    pwrstrk's Avatar
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    Another new guy. First Test results

    If that is a puck feeder, it's only going to keep raising your CYA level.
    If your going to be away from home and can't have somebody manually add bleach everyday, a SWG or chlorine injection system would be your best way to go IMO.
    Yes, lower your PH into the 7's with muratic acid. Use pool math to determine dosage. Does your PH raise quickly? If it does lower your TA. There is an article in pool school on lowering TA. Your TA is a bit high. Your FC level is not that high. It'll drift down on its own.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Another new guy. First Test results

    What do other owners do while they are away?
    You can approach it different ways. With your pool temp, I would be tempted to put 5-8 pucks in the feeder while you are gone. The lower temp will greatly reduce your chlorine consumption so those five or so pucks will increase your CYA some but not to the point of extreme.

    At some point then, you will want to drain about 1/3 of your pool water to reduce you CYA down to around 40-50 and you can continue to use the pucks as long as you monitor your CYA and not let it get far out of that range of 40-50.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    MrPat's Avatar
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    Re: Another new guy. First Test results

    I'd be interested in a SWG system if it eliminated the CYA problems. Does the SWG system eliminate the excess CYA issue? Is switching to a SWG system easy? What SWG system would you recommend for my small pool?

    Thanks
    6500 Gal. In Ground, Diamond Brite finish.
    Pentair 1hp pump
    Hayward C1200 filter

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    pwrstrk's Avatar
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    Another new guy. First Test results

    Yes a SWG will take care of your CYA problems. For a SWG you'll bring your CYA level up to 70-80. Take a look at this pool-school/water_balance_saltwater_generator and this pool-school/salt_water_chlorine_generators Its not hard to switch over. Somebody else with more experience in SWG can help pick one. I know we recommend it being 1.5-3 times larger than the pool volume needs.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Patrick_B's Avatar
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    Re: Another new guy. First Test results

    Welcome to TFP Mr. Pat!

    I would suggest looking at adding only bleach for your FC source once you get the CYA down. When you are home anyway. You will need to do a fair amount of testing on FC to determine how your SWG performs before you can leave it two or three weeks at a time. Not difficult, it just takes some time to get the "feel" for what goes on in your pool. Honestly, that fact won't change with any Chlorine source you use.
    TFP Moderator
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    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

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    MrPat's Avatar
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    Re: Another new guy. First Test results

    Ok, I've done some reading about the SWG systems and I've changed my thinking. After I get my CYA down I will give the bleach method a try. When I go on vacation I'll use the tablets for that period and then go back to bleach. That will be cheaper and certainly more simple. I don't need to add more expensive equipment to maintain doing it this way. I'll just need to drain some pool water occasionally.

    This site is a great education for me. Thanks!
    and Merry Christmas
    6500 Gal. In Ground, Diamond Brite finish.
    Pentair 1hp pump
    Hayward C1200 filter

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    pwrstrk's Avatar
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    Re: Another new guy. First Test results

    Sounds like a plan. It's doable with your pool water volume.
    Merry Christmas and Happy New year !
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Patrick_B's Avatar
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    Re: Another new guy. First Test results

    Quote Originally Posted by pwrstrk
    Sounds like a plan. It's doable with your pool water volume.
    Merry Christmas and Happy New year !
    +1 one the volume. That will be easy peezy at 6500 gals. I'll be doing with almost 3X that amount.
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

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