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Thread: Stain Problem

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    Stain Problem

    The white walls on my pool look they are "running" Or maybe the word Splotchy works better. Any one else ever have this type of problem?

    I have an IG pool with a DE filter with 25,000 gallons of water. Everything test fine accept the TA is a little low. Any advice??

    Jason
    Inground VInyl T-shape pool 30000 gal.

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    divnkd101's Avatar
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    Mar 2007
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    Pearland, TX (Houston Suburb)
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    Jason,

    Some more details on your pool would help. Is it new, how old, etc.? Have you been brushing it on a regular basis? Also, pictures never hurt. Post some more information and we will help you work through your questions. Welcome to TFP.
    MIKE

    21K Inground Custom w/ Spa (Gunite/Plaster), SWCG, Hayward Northstar, Polaris 280, Hayward Color Logics, Jandy PS-8

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    I DO!!!!!!!!!!
    I thought it was from the sh*tty plaster job they did on my pool but now I think it is scale. The plasterers still did a terrible job around the corners, blobs of plaster not smooth and so on. My neighbor had a different PB but same plaster contractor and he complains ablout the plaster. I brushed and maintaned my water balance but my PH sky rocketed every day, I had to put acid every other day, I know I did not let it go more than three days so I am still puzzled how the scale got there.

    I think it was because my pump was not installed till 4 days lafter plaster. I brushed three times a day but no where for the dust to go. ( I guess?). I suspect that they did not acid wash due to the way the plaster looked, I wasn't there to witness. I have small yellowish brown stains and I am picking up a stain kit tonight. In the meantime, I lowered my PH to 7.2 and have been brushing last three days and it looks a little better.
    20x40 24,000 gal IG plaster/CircuPool RJ45 SWG/2 skimmer/2sp 2.5hp Jandy Stealth/340sq ft cart filter/600sqftHeliocol Solar Panels/6ft semi circlr tanning ledge/25ft deep end bench/5ft sheer descent/2 lion head water features/1300sqft travertine paver/2 Colorlogic lights/Hayward Navigator/3step 2ft raised bond beam

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    This is our 2nd summer with the pool. We brushed it regularly last summer. But did not know we needed to brush the walls this year.

    I added some scale preventer last week. Did not seem to do anything. No White flakes to be seen.

    Jason
    Inground VInyl T-shape pool 30000 gal.

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    37,887
    You should post a full set of test numbers and if possible some photos.

    Fresh plaster should be brushed constantly but fully cured plaster only need to be brushed now and then (between once a week and once a month).

    I am not sure what "Splotchy" is. Do you mean that different areas have become different shades? Or has the surface become unusually rough if places?
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  6. Back To Top    #6
    Most peole will agree that you must brush the entire pool once a week as maintenance. This helps to lodge anything that gets stuck to the wall so that it can be filtered. With a new plaster pool you might want to brush more frequent.
    20x40 24,000 gal IG plaster/CircuPool RJ45 SWG/2 skimmer/2sp 2.5hp Jandy Stealth/340sq ft cart filter/600sqftHeliocol Solar Panels/6ft semi circlr tanning ledge/25ft deep end bench/5ft sheer descent/2 lion head water features/1300sqft travertine paver/2 Colorlogic lights/Hayward Navigator/3step 2ft raised bond beam

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    mbar's Avatar
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    Apr 2007
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    Ashland PA
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    If you post a full set of numbers, we can help, also what you have been using in the water. A good way to check the stains is to crush up some vitamin C tablets, put them in a sock and rub on the stains. If they lighten up it is a mineral stain. You can also use ph down in a sock. To check to see if the stains are organic, you can rub a trichlor tablet on the stains, or powder chorine (in a sock), on the stain, if it lifts or lightens, then it is organic. Let us know how you fare out
    16x33 fiberglass pool sand filter

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