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Thread: How old is too old with chlorine?

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    How old is too old with chlorine?

    I am at Wal Mart and have found they have Pool Essentials Chlorinating Liquid for $2.50 a bottle. How do I know what is considered too old. This all was bottled on March 24 of this year.

    I assume that is ok but I also assumed trusting the pool store would be ok... 🙄

    Thanks!
    14.5'x32' irregular shape Pebble Tec SWG pool; 12,000 gal; Purex Triton Tagelus Sand Filter; Pentair IntelliPh Ph Controller

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    Mod Squad JVTrain's Avatar
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    Re: How old is too old with chlorine?

    This is a handy post: Breakdown of bleach over time by storage temperature - Page 2

    That's not too bad for age. If stored cool before you purchased, it's still a good deal and will work for you.
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
    Isolated Spa - 345 Gallons

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    Re: How old is too old with chlorine?

    Note: The chlorinating liquid starts out at 10% in case you didn't note that.
    Bob - INTEX 12x24 owner, 'New to me' Kreepy Krauly Sand Shark, Test kit: TF-100 w/Speed Stir

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    Mod Squad tim5055's Avatar
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    Re: How old is too old with chlorine?

    I am always leery of bottled higher % chlorinating liquid at big box stores. Even if they have it indoors now there was a long transportation chain that got it to the store where it could spend lots of time in hot trucks and hot warehouses.

    Places like Florida and out west where they have refillable-returnable bottles and the retailer has a bulk tank usually indicate quick turnover and fresh chlorine.
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    DaninFLA's Avatar
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    Re: How old is too old with chlorine?

    Quote Originally Posted by kikiganz View Post
    I am at Wal Mart and have found they have Pool Essentials Chlorinating Liquid for $2.50 a bottle. How do I know what is considered too old. This all was bottled on March 24 of this year.

    I assume that is ok but I also assumed trusting the pool store would be ok... ��

    Thanks!
    do you have pinch a penny and/or Leslies where you live? if so, call and see if they sell the 2.5 gallon refillable jugs. usually the refill is only like $4-5 for 10.5% and its usually very fresh. we have them in Florida, didnt know how far up into GA they go.
    Dan
    9,000 gallon in-ground Saltwater pool, plaster, cartridge filer, 1.0 hp pump, Hayward T-15 SWCG, TF-100
    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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