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Thread: Advice please, first time opening with new liner using BBB method

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    Question Advice please, first time opening with new liner using BBB method

    New liner just installed. Where do I begin? Is there any point in testing water first or just start adding bleach, etc based on poolmath? Obviously there is no chlorine yet. I have been using BBB method but not with new liner install. I have a TF-100 test kit. Thanks!
    24,000 gal oval IG pool apr 20 years old, new vinyl liner May 2015, Hayward pump, sand filter with top mounted multivalve apr 10 years old, 1 speed booster pump (replaced in fall 2011), Polaris 380 suction side cleaner, chlorinator puck dispenser - rarely used

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    Mod Squad jblizzle's Avatar
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    Re: Advice please, first time opening with new liner using BBB method

    It is always good to start with test results. But we know that the CYA is 0 and we know that the FC is likely 0 (unless you have some in the tap water). So you could add 2ppm of FC and get the CYA dissolving before you test. You do want to check and adjust the pH, TA, and check the CH if even for reference of where you started.
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    Re: Advice please, first time opening with new liner using BBB method

    OK test results:

    FC 0
    CC 0
    TA 30
    CYA 0
    PH 7.5

    It looks like I have some work to do. What are your thoughts on using the tablets to add CYA instead of buying stabilizer? I just have some on hand - Aquachem Tabs Plus
    24,000 gal oval IG pool apr 20 years old, new vinyl liner May 2015, Hayward pump, sand filter with top mounted multivalve apr 10 years old, 1 speed booster pump (replaced in fall 2011), Polaris 380 suction side cleaner, chlorinator puck dispenser - rarely used

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    Mod Squad jblizzle's Avatar
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    Re: Advice please, first time opening with new liner using BBB method

    You can use tablets ... they are just slow to add the FC and CYA.
    If you are going to use them, since they are acidic, you should raise your TA up to around 100ppm.
    Jason, TFP Moderator
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    Re: Advice please, first time opening with new liner using BBB method

    Start by raising your TA, up to around 80 for liquid chlorine/bleach, or 120 if you are going to use tablets.

    Tablets have pros and cons, usually the cons outweigh the pros. I would save them for when you are going to be away from the pool for a few days. Tablets raise CYA very slowly, so you need at least some CYA to start out with either way.
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    Re: Advice please, first time opening with new liner using BBB method

    Just to be clear. I will go ahead and add tablets to dispenser, then raise TA. Should I add the 72oz bleach recommended by calculator since tablets take a while?
    24,000 gal oval IG pool apr 20 years old, new vinyl liner May 2015, Hayward pump, sand filter with top mounted multivalve apr 10 years old, 1 speed booster pump (replaced in fall 2011), Polaris 380 suction side cleaner, chlorinator puck dispenser - rarely used

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    Re: Advice please, first time opening with new liner using BBB method

    OK got it. Forget the tablets! Raise TA to 80, then add bleach and go get some stabilizer. Sound good? Thanks for everything.
    24,000 gal oval IG pool apr 20 years old, new vinyl liner May 2015, Hayward pump, sand filter with top mounted multivalve apr 10 years old, 1 speed booster pump (replaced in fall 2011), Polaris 380 suction side cleaner, chlorinator puck dispenser - rarely used

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    Mod Squad jblizzle's Avatar
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    Re: Advice please, first time opening with new liner using BBB method

    Quote Originally Posted by JennB View Post
    OK got it. Forget the tablets! Raise TA to 80, then add bleach and go get some stabilizer. Sound good? Thanks for everything.
    This is certainly the easier to understand path forward. The tablets just do too many things and can get confusing. Holding them for a vacation is a good idea.
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    Re: Advice please, first time opening with new liner using BBB method

    Yes I agree. I still have some pre-bbb method thoughts that need to be eradicated from my brain...

    Last question, I promise...maybe Should I add half the amount of baking soda at a time since it's a big increase? If so, what is waiting time to retest and add the rest?
    24,000 gal oval IG pool apr 20 years old, new vinyl liner May 2015, Hayward pump, sand filter with top mounted multivalve apr 10 years old, 1 speed booster pump (replaced in fall 2011), Polaris 380 suction side cleaner, chlorinator puck dispenser - rarely used

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    Mod Squad jblizzle's Avatar
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    Re: Advice please, first time opening with new liner using BBB method

    That would be a prudent plan. Give it at least 30 minutes to circulate and then you should be able to retest.
    Jason, TFP Moderator
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    Re: Advice please, first time opening with new liner using BBB method

    Perfect, thanks!
    24,000 gal oval IG pool apr 20 years old, new vinyl liner May 2015, Hayward pump, sand filter with top mounted multivalve apr 10 years old, 1 speed booster pump (replaced in fall 2011), Polaris 380 suction side cleaner, chlorinator puck dispenser - rarely used

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    Re: Advice please, first time opening with new liner using BBB method

    Updated test results today

    FC 4
    CC 0
    TA 70
    CYA 28 - ignoring for now, since stabilizer was added yesterday
    PH 7.4

    I could easily shoot for perfection, but my gut tells me to hold tight until I retest CYA in a few days. Thoughts?
    24,000 gal oval IG pool apr 20 years old, new vinyl liner May 2015, Hayward pump, sand filter with top mounted multivalve apr 10 years old, 1 speed booster pump (replaced in fall 2011), Polaris 380 suction side cleaner, chlorinator puck dispenser - rarely used

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    Mod Squad jblizzle's Avatar
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    Re: Advice please, first time opening with new liner using BBB method

    Looks fine. I would might bump up the FC by 1ppm so it does not drop too low by tomorrow.
    Jason, TFP Moderator
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    Re: Advice please, first time opening with new liner using BBB method

    Done. I must say how nice it is to get out a measuring cup for bleach. Last year I never had that experience!
    24,000 gal oval IG pool apr 20 years old, new vinyl liner May 2015, Hayward pump, sand filter with top mounted multivalve apr 10 years old, 1 speed booster pump (replaced in fall 2011), Polaris 380 suction side cleaner, chlorinator puck dispenser - rarely used

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    Re: Advice please, first time opening with new liner using BBB method

    Sorry I missed you coming on Jenn. It sure sounds like you have it going your way.

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