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Thread: Acid wash etching - normal or excessive?

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    Angry Acid wash etching - normal or excessive?

    Had my pool acid washed for the 1st time yesterday. It was done by the company that services my pool chems. I've never had it done before so I'm not sure what results to expect, but it seems to me that too much acid was used. The floor feels like coarse sandpaper and the plaster is flaking in places. Plus it looks like the tech didn't rinse the inlets and light well enough, so acid trickled out of them, leaving streaks of etched plaster. It appears rust from the light stained the plaster as well.

    My question is, how big a deal is this? Is this damage the normal result of acid washing, or did the tech do excessive damage to the plaster? What should I do about it?

    I've attached some pics of the damage. Take note none of the damage was present before the acid wash. In fact the plaster was very smooth, albeit stained.

    Any advice appreciated!
    Attached Images Attached Images

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    Mod Squad kimkats's Avatar
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    Re: Acid wash etching - normal or excessive?

    Do you have any pictures from when the pool was new? What color WAS the plaster?

    What were your last test results? How was it tested?

    Sorry for questions instead of answer but I hope they will lead to better answers.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Acid wash etching - normal or excessive?

    Quote Originally Posted by kimkats View Post
    Do you have any pictures from when the pool was new? What color WAS the plaster?

    What were your last test results? How was it tested?

    Sorry for questions instead of answer but I hope they will lead to better answers.

    Kim

    Sorry I don't have good answers for those. I bought the house/pool when it was 8 years old so I never saw it new. I believe the original color was white with blue speckled grains mixed in.

    Not sure what test you're referring to but since the pool company handles the chems I don't know what any reading were. I do know the calcium was high, which is why it was drained and washed in the first place.

    I've attached a couple pics from right before the acid wash if that helps...



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    Mod Squad kimkats's Avatar
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    Re: Acid wash etching - normal or excessive?

    I am sorry to say this but without current test results from a GOOD test kit there is really nothing we can tell you. We base our teaching on good test results. It tells us everything we need to know about a pool.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Acid wash etching - normal or excessive?

    I understand, I assume my pool rep can provide the results upon request. I'll call them and ask about it, and I'll probably bring up the severe etching at that time as well. I just wanted to know if I had a leg to stand on before arguing with them.

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