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Thread: Newbie - Which Tests to Perform First?

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    dmccoyTFP's Avatar
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    Newbie - Which Tests to Perform First?

    Just received the TF-100 test kit. I'm a complete rookie when it comes to pools and feeling a bit overwhelmed by all the information provided which I've tried to digest thus far (ABCs of Pool Water Chemistry, Recommended Levels, Chlorine / CYA Chart, etc.). Which tests do I perform first or do I perform all? Once I have the results, then what?

    I performed the basic test and it looks to me like the pH is 7.2 and the Cl is between 3 and 5. Is the Cl on the basic test the FC that I've seen referred to in other articles? This confused me because it seems the recommended level is between 3 - 7 but the test only goes to 5??
    David McCoy
    11K gal, IG fiberglass, Hayward self-priming pump, Pentair FNS Plus filter DE filter, Polaris cleaning robot, TF-100 test kit

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    Re: Newbie - Which Tests to Perform First?

    That basic test kit is to check for pH (sounds like you read it right) and then to check for the presence of chlorine and a VERY rough idea of the amount.

    The really precise chlorine test is to come.

    Okay, you have done the daily tests, now do the weekly (or as needed) section on the laminated sheet. Simply start at the beginning and do them all. I suggest you leave your kit inside, go collect a cupful or so of pool water from about 1 foot deep and then find a comfortable spot inside to do you tests. Most of us find the kitchen is best.

    Once the test are done, post the results like this...
    pH
    FC
    CC
    CH
    TA
    CYA

    Once these are posted, re-read "The ABC's of Pool Water Chemistry" up in Pool School. That'll help make sense out of the tests. We'll all chip in to help you get started with the test results.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Grand Rapids, Michigan
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    Re: Newbie - Which Tests to Perform First?

    Welcome dmccoy! I was overwhelmed and intimidated also. Don't worry none, we aren't the only two. As you go "hands on" with your test kit it will all dovetail nicely.
    17,500 gal. ABG Doughboy Pool
    1/2 HP Pump/150 sq.ft. Cartridge Filter
    TF100 Test Kit And Speedstir

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    dmccoyTFP's Avatar
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    Re: Newbie - Which Tests to Perform First?

    Quote Originally Posted by duraleigh View Post
    That basic test kit is to check for pH (sounds like you read it right) and then to check for the presence of chlorine and a VERY rough idea of the amount.

    The really precise chlorine test is to come.

    Okay, you have done the daily tests, now do the weekly (or as needed) section on the laminated sheet. Simply start at the beginning and do them all. I suggest you leave your kit inside, go collect a cupful or so of pool water from about 1 foot deep and then find a comfortable spot inside to do you tests. Most of us find the kitchen is best.

    Once the test are done, post the results like this...
    pH
    FC
    CC
    CH
    TA
    CYA

    Once these are posted, re-read "The ABC's of Pool Water Chemistry" up in Pool School. That'll help make sense out of the tests. We'll all chip in to help you get started with the test results.
    Thanks so much for the reply. Here is my first crack at the tests:

    pH: 7.2 - 7.5
    FC: 13
    CC: 0.5
    CH: 75
    TA: 130
    CYA: 100
    David McCoy
    11K gal, IG fiberglass, Hayward self-priming pump, Pentair FNS Plus filter DE filter, Polaris cleaning robot, TF-100 test kit

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    Re: Newbie - Which Tests to Perform First?

    The good news is those tests look like you performed them flawlessly. The bad news is that your CYA is too high. I would suggest you plan a partial drain to reduce your CYA to about 50 ppm. You'll use less chlorine in the long run.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    dmccoyTFP's Avatar
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    Re: Newbie - Which Tests to Perform First?

    Thanks again. So two more questions now I guess:

    1. How do I drain the pool?
    2. Is it safe to swim in or does #1 need to be done first?
    David McCoy
    11K gal, IG fiberglass, Hayward self-priming pump, Pentair FNS Plus filter DE filter, Polaris cleaning robot, TF-100 test kit

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