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Thread: If this Shock Plus product isn't a sanitizer, what is it?

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    If this Shock Plus product isn't a sanitizer, what is it?

    I bought a box of Chlorox Shock Plus, active ingredient Sodium dichlor
    (like this: Clorox Pool and Spa Shock Plus, 12-Pack - Walmart.com)

    And I just finished using it for my pool opening which was battling massive algae, when I looked at the box and it said:
    "Not for use as a sanitizer or algaecide."
    I am waiting on a refill kit to test my other chemicals, but it indeed was adding chlorine (along with stabilizer I think so I'm switching to bleach as soon as I can). So what does that mean? Why would it say it's not a sanitizer

    Thanks!
    Kai
    18,000 Gallons - gunite pool, Pentair cartridge filters, skimmer-only (main drain busted), 400k BTU heater, 1 HP variable speed pump.

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    Mod Squad tim5055's Avatar
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    Re: If this Shock Plus product isn't a sanitizer, what is it?

    Well, this is what they say it contains:
    Sodium Dichloro-S-Triazinetrione 58%
    aluminium sulfate 7-13%
    Boron salt Trade Secret 7-13%

    We battle algae by conducting a SLAM

    For that you need a test kit to deliver measured doses of chlorine. Dumping in bags of dichlor untested would not be one of our recommendations.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Jezza's Avatar
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    Re: If this Shock Plus product isn't a sanitizer, what is it?

    Until you can establish what your CYA level is I wouldn't be dumping any more of that dichlor in.
    11 000 gallons, IG, Fibreglass, Monarch Sand Filter, Davey Typhoon C100M 1HP pump, Davey Chloromatic Mc16CTO ESR SWG, Davey Pool Wall Climba Robot, Daisy Solar Cover,
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    Richard320's Avatar
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    Re: If this Shock Plus product isn't a sanitizer, what is it?

    That's a very good question. I have no answer for you. As far as I know, once dichlor is mixed with water, it releases Chlorine which is both an algaecide and a sanitizer. Maybe you should email Chloroxpools customer service and ask them what the stuff IS good for?
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: If this Shock Plus product isn't a sanitizer, what is it?

    Thanks for the responses, I'll keep using the liquid bleach I got until I get the tests refilled.
    18,000 Gallons - gunite pool, Pentair cartridge filters, skimmer-only (main drain busted), 400k BTU heater, 1 HP variable speed pump.

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    In the Industry

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    Re: If this Shock Plus product isn't a sanitizer, what is it?

    pool shock is most often Calcium Hypochlorite ...think of it as granular bleach...and bleach is the same thing as chlorine essentially, just a molecule off.

    The only difference between the pool store chlorine and your local stores household bleach, is the strength. Pool Store Chlorine is usually 10-12%, where as store bleach is 5-6% and the price is comparable. So you're better off getting chlorine.

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    Mod Squad woodyp's Avatar
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    Re: If this Shock Plus product isn't a sanitizer, what is it?

    Calcium hypochlorite has calcium combined with the chlorine.
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