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Thread: Adding Alkalinity Increaser through Skimmer

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    Join Date
    May 2013
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    Erie, PA
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    Adding Alkalinity Increaser through Skimmer

    Hi,

    I was told that I could add Alkalinity and PH increaser through the skimmer. Is this correct?

    I run my filter 24/7 and I dont have a heater attached.

    Thanks.
    22,700 gallon, 18x36 Vinyl IG - Hayward EC65 Perflex DE Filter

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    duraleigh's Avatar
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    Re: Adding Alkalinity Increaser through Skimmer

    Most all chemistry is better added by entering it in front of a return (pump running) pre-dissolve those two first in a bucket.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    JasonLion's Avatar
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    Re: Adding Alkalinity Increaser through Skimmer

    Yes, and no. 99% of the time you can add things through the skimmer and nothing will really go wrong, but now and then something will go wrong. For example it is possible to add the powdered chemicals too quickly, causing them to clump up in the strainer basket and block the water flow, which could (only sometimes) damage the pump. Because of that, we recommend adding alkalinity increaser by scattering it across the surface of the pool, and PH increaser by pre-disolving in a bucket and then pouring slowly in front of a return jet with the pump running. Those approaches will work every time without problems.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    May 2013
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    Erie, PA
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    Re: Adding Alkalinity Increaser through Skimmer

    Thanks for the advice!

    I didn't think of pre-dissolving and pouring in fron tof the return jets. That works for me!
    22,700 gallon, 18x36 Vinyl IG - Hayward EC65 Perflex DE Filter

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    Re: Adding Alkalinity Increaser through Skimmer

    if you put the selector valve to "recirculate" then ph+ or ta+ will be smashed up by the pump impellors and won´t cause the pool water to cloud up.

    if you add ph+ too quickly to the pool surface it can cloud up the pool water (like a white cloud) which can take days to clear.

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