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Thread: Muritc Acid

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    SkyKid's Avatar
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    Muritc Acid

    Hello everyone
    I'm a new pool owner and I will have a lot of questions in the near future
    Just want to know about this one to start
    Is it safe to use muritic acid in a fiberglass pool to manage ph levels
    Thanks
    14600gal, In-Ground Fiberglass, Haywood s244t Sand Filter, Jandy Apure35 SWG,
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    Mod Squad jblizzle's Avatar
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    Re: Muritc Acid

    Welcome to TFP!!!

    Yes, muriatic acid is fine to use in any pool. Just pour it very slowly in front of a return jet in the deepest part of the pool.
    Jason, TFP Moderator
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    Butterfly's Avatar
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    Re: Muritc Acid

    Yes, but be sure to add it properly:

    Muriatic acid should be added to the pool by pouring slowly in front of a return jet with the pump running................. Leave the pump running for at least 30 minutes after adding muriatic acid.

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    SkyKid's Avatar
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    Re: Muritc Acid

    are the return jets where the water comes back into the pool?
    Thanks for the warm welcome and answers
    14600gal, In-Ground Fiberglass, Haywood s244t Sand Filter, Jandy Apure35 SWG,
    Haywood 2 speed 1hp pump, Haywood Pool Shark, TF-100 Test Kit http://tftestkits.net/
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    Mod Squad jblizzle's Avatar
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    Re: Muritc Acid

    Quote Originally Posted by SkyKid
    are the return jets where the water comes back into the pool?
    Correct. They will help mix the chemical into the water so it does not sit on the bottom of the pool and cause problems.

    If you have any concerns, you can also just do a quick brushing of the bottom to ensure it is mixed into the water, but this should not be necessarily if added as we described.

    More info here:
    pool-school/recommended_pool_chemicals
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    SkyKid's Avatar
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    Re: Muritc Acid

    One more
    is muriatic acid ok to buy from lowes
    http://www.lowes.com/pd_206474-34228...uriatic%2Bacid
    14600gal, In-Ground Fiberglass, Haywood s244t Sand Filter, Jandy Apure35 SWG,
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    Re: Muritc Acid

    You can buy it anywhere you like. Usually is 31.45% but there is more and more that is only 15% so check the label....31.45 will be a better deal, normally.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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    Smykowski's Avatar
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    Re: Muritc Acid

    Quote Originally Posted by SkyKid
    One more
    is muriatic acid ok to buy from lowes
    http://www.lowes.com/pd_206474-34228...uriatic%2Bacid
    This stuff is fine. If you scroll down a bit it tells you that the concentration is 31.45%.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
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    Re: Muritc Acid

    SkyKid, if you are new to working with muriatic acid, you should read handling info.
    You should wear eye protection and most recommend gloves. Watch out for the vapors, too.

    Stored the MA by itself, and away from chlorine sources.

    Do a google search, bottom left of each page, for something like "how to handle muriatic acid" and read a few threads. Here's one:

    best-way-to-handle-muriatic-acid-t19300.html
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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    mitch08's Avatar
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    Re: Muritc Acid

    Yeah you really have to be careful with the vapors. Especially if there is a wind blowing a bit towards you.
    I've had that unpleasant feeling more than once.

    You really need to handle it properly. It is strong stuff.
    18x38 Inground Liner (25k gal) Paver surround, multi-speed pump, DE Filter, Raised spill over spa, TF-100

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    SkyKid's Avatar
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    Re: Muritc Acid

    I have used muriatic acid before and know how nasty it can be
    Thanks for the warnings can never be too careful
    14600gal, In-Ground Fiberglass, Haywood s244t Sand Filter, Jandy Apure35 SWG,
    Haywood 2 speed 1hp pump, Haywood Pool Shark, TF-100 Test Kit http://tftestkits.net/
    Pool School http://www.troublefreepool.com/categ...etting_started
    Never been Pool Stored Thanks to TFP

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