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Thread: Vinyl Pools & Muratic Acid

  1. Back To Top    #1

    Join Date
    Jun 2007
    Location
    NW Arkansas
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    21

    Vinyl Pools & Muratic Acid

    I just ran across this at Leslie's website:

    MURIATIC ACID

    Muriatic acid is heavier than water and may etch the plaster in a shallow pool. To eliminate this possibility, pre-dilute the acid first by adding the acid into a large plastic bucket of water, and then pour the acid solution into the deep end of the pool, away from skimmer and fixtures. Muriatic acid is NOT recommended for vinyl-liner, painted or fiberglass pools.

    Is this really a concern? I thought that acid would not hurt the vinyl.
    22,500 Gallons
    18x36 Feet Vinyl
    Zodiac Clearwater LM3-24 SWG

  2. Back To Top    #2
    I believe as long as you don't allow contact of the acid with the liner it's fine.

    I pour mine straight from the bottle into a measuring cup then into the return stream so it quickly mixes and dissipates.

  3. Back To Top    #3

    Join Date
    Jun 2007
    Location
    NW Arkansas
    Posts
    21
    Good, that's what I do too. But I have been pouring it all around when having to put a lot in to neutrilize my initial introduction of 20 Mule Team. I was wondering if it then sat on the bottom to eat away at my vinyl.
    22,500 Gallons
    18x36 Feet Vinyl
    Zodiac Clearwater LM3-24 SWG

  4. Back To Top    #4

    Join Date
    May 2007
    Location
    Houston, Texas, USA
    Posts
    148
    Quote Originally Posted by Dadof4
    Good, that's what I do too. But I have been pouring it all around when having to put a lot in to neutrilize my initial introduction of 20 Mule Team. I was wondering if it then sat on the bottom to eat away at my vinyl.
    So long as you pour it s-l-o-w-l-y into moving water, you should be ok.
    Poor Man's Pool
    Doughboy 18 ft round above ground
    7600 gal with center drain
    Pentair sand filter, 1 HP pump
    50 ppm borates
    "I know just enough to be dangerous"
    Pool Calc Ver 1.41 (Excel)

  5. Back To Top    #5
    Guest
    Leslie's is just trying to sell dry acid (sodium bisulfate). It's a much higher profit item than muriatic acid.

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