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Thread: New in ground vinyl pool start up. Need help and suggestions.

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    Ga mike's Avatar
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    New in ground vinyl pool start up. Need help and suggestions.

    Pool is filled with water, vacuumed pool. Pb added 7 bags of shock. Pool is 45000 gallon. Has cleared up some. I can see bottom of shallow end and see light in deep end. Below are my first numbers with a tf 100 kit. I would really want to start off maintaining pool the TFPC way instead of pb way. We haven't added any salt yet as pb wants pool clear since we had to vacuum a lot due to it starting to rain as putting liner in.

    Fc .5 to 1
    Cc is .5 to 1
    Ph is 8.2 but may be higher
    TA is 150
    Cya is 0 to 5
    Cha is 175
    Salt is 0-200

    I have bleach, stabilizer and poly algaecide 30 left by pb.

    Pool math said
    238 oz of bleach
    139 oz of acid
    180oz of stabilizer
    1205 lbs of salt

    Sorry for being so long. Last picture is before he added shock.





    20x45x32x18 L Shaped vinyl Pool
    Pentair Superflo 1.5 vs pump
    Pentair t100 filter
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    Ga mike's Avatar
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    Re: New in ground vinyl pool start up. Need help and suggestions.

    Sorry first picture not last.
    20x45x32x18 L Shaped vinyl Pool
    Pentair Superflo 1.5 vs pump
    Pentair t100 filter
    I 60 cell

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    Ga mike's Avatar
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    Re: New in ground vinyl pool start up. Need help and suggestions.

    Also to slam I need to add 1561 oz of bleach.
    20x45x32x18 L Shaped vinyl Pool
    Pentair Superflo 1.5 vs pump
    Pentair t100 filter
    I 60 cell

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    Mod Squad jblizzle's Avatar
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    Re: New in ground vinyl pool start up. Need help and suggestions.

    How are you saying CYA of 0-5ppm? The test goes down to 30ppm?

    So are you in control of the pool chemistry or the pool builder? If you are taking over and that is OK with them, make sure they know that and that you both do not dump in chemicals without knowing what the other is doing.
    Jason, TFP Moderator
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    Ga mike's Avatar
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    Re: New in ground vinyl pool start up. Need help and suggestions.

    Well I can fill all the way to the top and still see black dot.
    20x45x32x18 L Shaped vinyl Pool
    Pentair Superflo 1.5 vs pump
    Pentair t100 filter
    I 60 cell

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    Ga mike's Avatar
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    Re: New in ground vinyl pool start up. Need help and suggestions.

    I am taking control. Pb just says add some shock
    20x45x32x18 L Shaped vinyl Pool
    Pentair Superflo 1.5 vs pump
    Pentair t100 filter
    I 60 cell

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    Mod Squad jblizzle's Avatar
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    Re: New in ground vinyl pool start up. Need help and suggestions.

    Do you know what the ingredient of the "7 bags of shock" was?

    I would suggest adding about 30-40ppm of CYA and get that dissolving, then test it after a week and then after you finish the ShockLevelAndMAINTAIN Process, then you can raise it up to SWG levels.

    So, get the pH lowered to the lower 7s and then start adding bleach to maintain SLAM level FC ... which is about 10ppm after you start adding the CYA.

    Forget the algaecide.

    - - - Updated - - -

    BTW ... I would start with 2 gallons of 31% MA acid (should get near 7.8) ... then recheck the pH after 30 minutes and lower it to 7.2.
    I would get about 12 pounds of CYA dissolving to add about 30ppm.
    And then your initial 8.25% bleach dose will be 5 gallons (I am not sure where you got your bleach amount, but that is way too high).

    Make sure your TA is set in the NOW so that your pH adjustment is correct.
    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
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    Ga mike's Avatar
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    Re: New in ground vinyl pool start up. Need help and suggestions.

    I filled the cya tube all the way up and could still see black dot looking down from the top. I will add acid to get ph right. Below is a picture of the bag.
    20x45x32x18 L Shaped vinyl Pool
    Pentair Superflo 1.5 vs pump
    Pentair t100 filter
    I 60 cell

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    Mod Squad jblizzle's Avatar
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    Re: New in ground vinyl pool start up. Need help and suggestions.

    That is cal-hypo so it was adding CH to the pool. So, you CYA should be 0ppm if no dichlor or trichlor have been added.
    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
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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