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Thread: How to dispose of Muriatic Acid after soak?

  1. #1
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    How to dispose of Muriatic Acid after soak?

    We are going to soak our SWG cell in muriatic acid to clean it (and hope it fixes it). But once it's done soaking, how do we dispose of the acid? Also, Hubby wants to soad it over night, will that be too long?
    18,000 gallon in ground SWG sand filter electric cover

  2. #2
    Senior Member Richard320's Avatar
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    Re: How to dispose of Muriatic Acid after soak?

    You're only talking about a small amount, right? Why not just pour it in the pool?
    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!

  3. #3
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    Re: How to dispose of Muriatic Acid after soak?

    Well we were planning to submerge it in acid so depending on the size of the container we find to soak the cell in, it would probably be more than we usually put in to lower the pH and if it's cleaning stuff off of the cell, not sure I want dirty acid poured in my pool, do I?
    18,000 gallon in ground SWG sand filter electric cover

  4. #4
    Senior Member Richard320's Avatar
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    Re: How to dispose of Muriatic Acid after soak?

    Well then, you could use it to scrub stained concrete, the driveway, perhaps? Or just neutralize it with baking soda (watch out for violent foaming) and pour it on some weeds or down the drain.
    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!

  5. #5
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    Re: How to dispose of Muriatic Acid after soak?

    violent foaming. lol sounds like a fun chemistry experiment...haha
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

  6. #6
    Administrator JasonLion's Avatar
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    Re: How to dispose of Muriatic Acid after soak?

    Baking soda is the best approach: add baking soda fairly slowly until it stops foaming up, then pour down the drain with the water running.

    Pouring it back into the pool adds calcium back to the pool, which could be a annoying in some situations.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    TFP Admin. Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  7. #7
    Senior Member In the Industry

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    Re: How to dispose of Muriatic Acid after soak?

    A lot of the acid's initial power will be neutralised by cleaning the calcium and other deposits off the plates in the cell. Put it down the toilet and let is descale that too.

  8. #8
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    Re: How to dispose of Muriatic Acid after soak?

    I always pour mine over the fence in the neighbors flower bed JK!
    31,000G IG vinyl 20X40 True L. Hayward 1.5 superpump, Autopilot Pool Pilot Digital SWG, Hayward Model S244T 300lb sand filter, TF100 kit

  9. #9
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    Re: How to dispose of Muriatic Acid after soak?

    You do know that you only put the acid INSIDE the cell, don't soak the whole thing; the outside should not get acid on it. Then after cleaning u should be able to dump it in the pool.
    Bill Moyer
    CWO4 USN (Ret)
    Pensacola, FL

    10k gallon 12x24 in ground pool built 2008, vinyl, Pentair Intellichlor IC40, Pentair Intelliflo v/s pump, Pentair Legend Platinum cleaner w/booster pump, Hayward sand filter. Using the BBB method.

  10. #10
    Senior Member kenandshari's Avatar
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    Re: How to dispose of Muriatic Acid after soak?

    We're first year pool owners so we are not as experienced as many out there on TFP. The local pool store where we buy our acid instructed us to mix it 1 part acid to 4 parts water, then stuff a tennis ball into one end of the cell to seal that end, (or buy some special cleaning kit that caps it off) and let the solutin soak inside of the cell until the bubbles stop but not longer than 15 min. We set the whole thing in a bucket while doing this to prevent acid leaking out into the lawn.
    Ken & Shari
    Savannah, GA
    16' x 40' freeform fiberglass inground (Pacific model, mfg by Tallman Pools), 23k gal, 2" plumbing throughout, Intellichlor IC-40, Easy Touch controller, Intelliflow VS 3050 pump, Pentair Clean & Clear Plus Quad Cartridge filter. 4 Jandy deck jets (3/4" plumbing), Fiberstars color changing lighting, SR Smith salt friendly diving system, Interfab Wild Ride slide, Aquasol Solar Heat (5 panels 4'x12' DIY install automated with ET) RIP Nitro Wall Climber Mar 2011-Aug 2012, Nitro is survived by a Polaris 360.

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