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Thread: Am I crazy?

  1. Back To Top    #1

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    Am I crazy?

    So, I started my opening yesterday of an expected green pool. I had to close my pool earlier than I wanted to last year due to having back surgery at the end of September, so I expected it to be a mess.
    So I got everything started up and circulating, vacuumed to waste and shocked it last night with 3 gallons of 10%. I didn't have a chance to test the chlorine that night.
    Pool looked better today, backwashed and brushed and gave it another 3 gallons. Did a quick chlorine test before I shocked and showed between 2-3. Added the 3 gallons and checked the chlorine 15 minutes later, no change.
    Checked the chlorine 3 hours later, no change. Am I getting a false reading or did I have bad chlorine? Bottle date was 4-3-17.
    21000 gal.
    Vinyl liner- new spring 2015
    Purex Triton Tagelus sand filter
    Hayward 1hp pump

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    Mod Squad jblizzle's Avatar
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    Re: Am I crazy?

    What test kit are you using?
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  3. Back To Top    #3

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    Re: Am I crazy?

    I'm waiting on my refills for the T100, I used my leftovers from the T100 which are close to two years old and the basic drop test.

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    Richard320's Avatar
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    Re: Am I crazy?

    I'd be curious to know what the CYA level is. And the CC level. What you're describing could be either some small-scale algae attack or the CYA broke down into ammonia over the winter. No way to know without test results.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Mod Squad jblizzle's Avatar
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    Re: Am I crazy?

    Were you testing the CC too?
    What is your CYA? If that dropped to 0, could be another case of ammonia which will consume the FC very fast and show high CC levels.
    Jason, TFP Moderator
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    Mod Squad pooldv's Avatar
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    Re: Am I crazy?

    Either something is using up the chlorine quickly or the test is bad. Either way, more bleach and once you can get FC to hold at 10 ppm then retest your CYA and start a SLAM.
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  7. Back To Top    #7

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    Re: Am I crazy?

    I'm completely out of the CYA test, so I'm waiting on those refills. I also found it weird that before I did the shock this evening, my PH showed 8.2 or above on the drop test. After I added the chlorine and tested again, the PH showed around 7.2.

    - - - Updated - - -

    CC was around 2 when I tested

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    Mod Squad jblizzle's Avatar
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    Re: Am I crazy?

    That does not make any sense. High FC level would make the pH test read artificially high.
    Jason, TFP Moderator
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  9. Back To Top    #9

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    Re: Am I crazy?

    I thought the same exact thing, it really had me at a loss

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    Mod Squad jblizzle's Avatar
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    Re: Am I crazy?

    You sure you are not adding muriatic acid instead of bleach
    Jason, TFP Moderator
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  11. Back To Top    #11

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    Re: Am I crazy?

    Haha, yes!

  12. Back To Top    #12

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    Re: Am I crazy?

    Did another test when I got home today.
    FC 3
    CC 0
    PH 7.2
    TA 80
    CH 150
    CYA- unknown still

  13. Back To Top    #13

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    Re: Am I crazy?

    FC at 10 and CC at 0 for last test of the night. I'll test again in the morning.

  14. Back To Top    #14

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    Re: Am I crazy?

    This morning :
    FC 4
    CC 0

    Water is clearing up nicely, can see the bottom to get rest of leaves out.
    Feeling better about the pool and my sanity.

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