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    Pool Math........The App

    I was able to login to app with forum info. It just took a minute
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    Raise CYA or TA first?

    That sounds good to me...Thanks! So TA is good where it is... Excellent!
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    Raise CYA or TA first?

    Opened pool to Crystal clear water. You all are the Best! Lost significant water over winter, (Rubber Plug on the return/light partially disintegrated) Before adding water still had FC 3..... Anyway after filling the pool added some bleach last night and ran the pump to mix in. Ready to get...
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    First time using BBB method to close pool

    Saturday10/10 added muriatic acid an hour ago mixed pool real well. PH now 7.4 TA 90 maybe a little more ( light pink color in test tube) FC 7 CC Zero CYA 45 Can I slam the pool now or do I have to wait longer than a hour after adding muriatic acid?
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    First time using BBB method to close pool

    Thanks. Maybe all the rain will help also. Will get acid tomorrow
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    First time using BBB method to close pool

    Another thought? If I took water out of pool. And added fresh water. Like u do to lower cya. Would that lower ph? Or would that lower cya to much? Cya at 45 now.
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    First time using BBB method to close pool

    OK Thanks. Hope its a mild winter. Not like last!
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    First time using BBB method to close pool

    I have never had a problem with high ph. It has always been a battle to keep raising it. (no more pucks) This is the first time ever. I must have read yesterdays PH of 7.0 incorrectly and adjusted it to 7.8 Uggh! But anyway, yes I have had tiny little spots of like rust here and there...
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    First time using BBB method to close pool

    duh.(been a hectic week) Need to bring FC to shock level to close anyway, so Is it ok to bring Chlorine up to 18 ppm with PH at 7.8 and run pump for 24 hours? Todays test results in previous post above
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    First time using BBB method to close pool

    Thanks everyone for responding! Hello fellow long islander! If my pump was working correctly i would take the advice to wait until water was 50 degrees, but its on its way out. So I need to close ASAP. Pool Temp below 60 degrees FC 7.5 (down from 12 on 10/3 with no additional chlorine added...
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    First time using BBB method to close pool

    So what should ph be before slaming and closing pool for a vinyl liner?
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    First time using BBB method to close pool

    Ok. Got refill finally of r-0013 new cya of 45. ph. At 7.0 Ta. 90 fc 8 (Down from 12 since 10/3 with no additional liquid chlorine since, not much sun on pool thi time of year) Cc. Could be zero, definitely less than .5 Pool crystal clear. 60 degrees or less no algae since 10/3 want...
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    First time using BBB method to close pool

    Thank you for your quick response. I understand about the pucks, but I thought 12.5% liquid shock was the same as bleach?
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    First time using BBB method to close pool

    Hello again. Pool crystal clear. Been that way all summer. Small spots of Algae. Used BBB method as much as possible all summer, I had to cheat a bit because pool pump is on the way out, and not circulating water as much as it should. (will get new one in spring) I tied a floater with...
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    Using sodium bicarbonate

    Thanks. Ok to add while chlorine is high? - - - Updated - - - Thank you! Will do
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    Using sodium bicarbonate

    Hello. New here. Love this forum! Question. Added liquid shock to pool last night. Free chlorine at 11 ppm now. Alkalinity at 40. (Using Taylor fas dpd to test) Ph at 7.4. Want to add about 9 lbs of sodium bicarbonate To raise alkalinity. Will do 1/2 now. 1/2 later. This sound right...