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Thread: How long to run pool after adding calcium?

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    How long to run pool after adding calcium?

    I just added calcium. I searched the forum but couldn't find anything easy on how long to run the pool afterwards. Thank you!
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    Mod Squad YippeeSkippy's Avatar
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    Re: How long to run pool after adding calcium?

    I'd run it all day.. 24 hours even. I like to be sure and with calcium and salt I think a day is a good rule of thumb.

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    Maddie
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    Re: How long to run pool after adding calcium?

    Thank you! Next time you honk first! Lol!!
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    AUSpool's Avatar
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    Re: How long to run pool after adding calcium?

    I mix it in a bucket and pour into the skimmer with the pump on. I leave the pump on for about an hour but I guess just long enough the get it through the system and out into the pool would work. Mixing in a bucket is exothermic, the water calcium / chloride mix gets warm.

    The pool chemical page doesn't give a TFP preferred method of adding? Maybe someone could edit that.

    Opps, cancel that, the offical method is:
    Calcium products should be spread across the surface of the deep end of the pool.
    I still prefer mixing in a bucket and tipping slowly down the skimmer, is there anything wrong with that?
    Steve.
    30,000L (8,000g) Pebblecrete | Davey 3sp Eco pump | Poolrite sand filter & SWCG |
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    Re: How long to run pool after adding calcium?

    I wouldn't add it through the skimmer.
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    AUSpool's Avatar
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    Re: How long to run pool after adding calcium?

    Quote Originally Posted by JamesW View Post
    I wouldn't add it through the skimmer.
    Will a high concentration calcium solution react with anything as it goes through the system? I suspect there is a high potential for calcification within the SWG.

    Would mixing in a bucket and pouring in the deep end or into a return stream the same as acid work?
    Steve.
    30,000L (8,000g) Pebblecrete | Davey 3sp Eco pump | Poolrite sand filter & SWCG |
    Waterco solar panels & Astral E140 pump| K2006, BlueDevil pH, Salt meter & K1766 | Town water - pH 7.2, TA 50, CH 60 | Esky full of coldies |

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    Mod Squad pooldv's Avatar
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    Re: How long to run pool after adding calcium?

    It will heat up significantly as soon as it makes contact with water which isn't good for pool equipment or a bucket. We recommend broadcasting it across the deep end of the pool. More here about adding chems to the pool, Pool School - Recommended Pool Chemicals
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