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Thread: Shock and swg

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    Join Date
    Jun 2016

    Shock and swg

    Is there a specific kind of shock to use with swg pools?

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    Mod Squad JVTrain's Avatar
    Join Date
    Feb 2014
    Central Minnesota

    Re: Shock and swg

    Welcome to the forum.

    The best type of shock in any pool is plain old bleach. It adds nothing to your pool but chlorine and a very small amount of salt.

    Check out our ABCs of Pool Water Chemistry article for more details on how we teach folks to manage all kinds of pools here on TFP.
    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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    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: Shock and swg


    Just in case you weren't aware... if you maintain high enough FC for your CYA level, you won't get algae and may never have to "shock" your pool again.

    Weekly "shock" treatments are a pool store gimmick.

    If you have algae growing now, then what you need is a SLAM. It uses high chlorine levels like a "shock" but controlled and sustained long enough to do some good.
    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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