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Thread: Source of muriatic acid?

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    ship of fools's Avatar
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    Source of muriatic acid?

    I saw that lowes carries it and one of the uses says to lower ph in swimming pools but then one of the reviews says that it has ingredients other than muriatic acid and shouldn't be used

    is lowes muriatic acid ok??

    does wally world carry it? pool stores?

    thanks
    21,000 gallon inground
    Haywood Sand Filter
    Vinyl Liner

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    Re: Source of muriatic acid?

    Sure, MA is MA. BUTTTTTTT if other stuff is in it, I'd watch out. Check the % on it and also shop around for pricing too. Pool stores will carry it.
    69,000 Gal gunite indoor IG pool.
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    2 HP Sta-Rite - Pentair Triton II Commercial TR140c Sand Filter

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    Re: Source of muriatic acid?

    Yes, muriatic acid from Lowe's is fine.
    18x36 Vinyl In-ground w/roman ends 27,400G, Hayward 3/4hp with 300# sand filter. Hayward heat pump heater

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    ship of fools's Avatar
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    Re: Source of muriatic acid?

    What is the best way to add it?? I read not to add it to the skimmer.

    I added my stabilizer and borax using a sock in front of a return

    I have been adding my bleach into the skimmer .... ok??

    Is there a sticky with the correct instructions for all of the different chemicals? .. i thought i saw one during the many hours i have spent reading the various posts on here and learning but i searched and couldn't find it

    what is the impact of too high a ph level?
    21,000 gallon inground
    Haywood Sand Filter
    Vinyl Liner

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    JasonLion's Avatar
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    Re: Source of muriatic acid?

    Pour slowly in front of a return jet while the pump is running. Remove the sock temporarily while doing this. You can put it back directly afterwards.

    We don't recommend adding anything through the skimmer, though muriatic acid is the only thing that is known to cause damage for sure.

    There is lots of info in Pool School. I suggest reading Recommended Pool Chemicals.

    High PH can lead to calcium scaling (if TA and/or CH are also high) and metal stains. If the PH is high enough (unlikely) it can interfere with chlorine.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: Source of muriatic acid?

    A bit of a highjack here... Lowe's nor Home Depot sell muriatic acid here in Ottawa, Ontario or Gatineau, Qc - Canada. Booo.
    Ottawa, Canada
    15' x 30' x 54" Oval Above Ground Vinyl Pool
    Salt Water Generator, Hayward 150CC Cartridge Filter
    2 speed 1.5HP Matrix pump

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    Source of muriatic acid?

    However I have just found out that home hardware sells it.
    Ottawa, Canada
    15' x 30' x 54" Oval Above Ground Vinyl Pool
    Salt Water Generator, Hayward 150CC Cartridge Filter
    2 speed 1.5HP Matrix pump

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