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Thread: Numbers upon opening

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    Join Date
    May 2013
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    Numbers upon opening

    I just opened:

    pH =7.2
    FC = 0
    CYA = less than 20, perhaps even 0.
    CC =.5
    TA = 60
    CH = 80-90

    The same thing happened last year where I have no CYA, but last year I had CCs so I slammed, assuming it converted to ammonia.

    The water is clear. Should I go ahead and adjust CYA to 30 and then add bleach to target 3, or should I just go ahead and SLAM anyway since it's just being opened?
    7+ years, inground, 25,000 gallon, vinyl, sand filter.

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    Azgirl71's Avatar
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    Re: Numbers upon opening

    I would add CYA and FC. If you notice FC does not hold at all then maybe come up to SLAM levels for 24 hours and do a OLCT to see if you pass.
    Lisa
    Intex AG vinyl 15' x 48" 4,300 gallons due to skimmer install, Krystal Clear SF pump combo 2800 GPH, Krystal Clear SWG, Pool Blaster Max vacuum, Hayward thru the wall skimmer, TF 100 test kit with speed stir, K 1766 Taylor salt test, My SLAM Process

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    Re: Numbers upon opening

    I just bought 20 bottles of bleach and I just now noticed it says "regular scent" on it. (I found out last night someone on here told me not to get scented but I didn't see their post until after I bought all of this bleach!) Please tell me that's okay to use?! At least for today to get me started. I certainly don't want my pool foamy!

    BTW - This is the first year I have bought normal bleach rather than liquid chlorine so I really wasn't sure what I was looking for.
    7+ years, inground, 25,000 gallon, vinyl, sand filter.

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    Azgirl71's Avatar
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    Re: Numbers upon opening

    I believe it should be fine as long as there is no scent and it is not easy pour or splash less.
    Lisa
    Intex AG vinyl 15' x 48" 4,300 gallons due to skimmer install, Krystal Clear SF pump combo 2800 GPH, Krystal Clear SWG, Pool Blaster Max vacuum, Hayward thru the wall skimmer, TF 100 test kit with speed stir, K 1766 Taylor salt test, My SLAM Process

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    Re: Numbers upon opening

    Ok, when first opening is it recommended to run the filter the first 24 hours, whether SLAMing or no SLAM?
    7+ years, inground, 25,000 gallon, vinyl, sand filter.

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    Re: Numbers upon opening

    Ok, so I added CYA and enough bleach to bring me to my target. The pool looks overall great but the deep end is a tad cloudy, and I mean a tad. Should I do a SLAM just to be safe, or should I just simply start with an overnight test tonight to see if there is anything to worry about?
    7+ years, inground, 25,000 gallon, vinyl, sand filter.

  7. Back To Top    #7
    Mod Squad pooldv's Avatar
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    Re: Numbers upon opening

    I doubt if regular scent is unscented. It needs to be unscented plain old bleach.
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