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Thread: What is causing white discoloration on brick and tile?

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    Join Date
    Jun 2015
    Dallas, TX

    What is causing white discoloration on brick and tile?

    We've tried EVERYTHING to get rid of this white stuff to no avail. We tried ourselves, as suggested by our local Dallas TX pool store and we hired 2 different companies that said they could get rid of it. One even "sealed" it all after they finished. Unfortunately, it all returned exactly if not worse than before. Can it be an "internal" problem as opposed to something in the air or water environment? [IMG]file:///Users/plasdoc1/Desktop/spool%206:26:15.jpg[/IMG]file:///Users/plasdoc1/Desktop/spool%206:26:15.jpg
    We have a 3,000 gal "spool", spa/pool; gray diamond brite plaster; Jacuzzi Magnum Force pump, 1 @ 1HP and 1 @ 3HP and a Jacuzzi Triclops TC 450 filter ( Jacuzzi no longer makes either pump or filter); limestone coping, some brick walls contact the water; guessing the spool is about 15 yrs old.

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    Mod Squad Texas Splash's Avatar
    Join Date
    Jun 2014
    South-Central Texas, Marion/San Antonio

    Re: What is causing white discoloration on brick and tile?

    Hello Koodles55, and welcome to TFP. Your pic didn't post. Have you tried linking your photos from Photobucket? That's what many of us do here on TFP. Upload your pics to Photobucket (free), then copy & paste the IMG code for that pic from Photobucket to your TFP post. Works great.

    Without seeing the pic, the first thing to come to mind is calcium, but that's just an initial thought. Do you have a test kit to post some water readings for us?
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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  3. Back To Top    #3

    Join Date
    May 2015
    Moorpark, CA

    Re: What is causing white discoloration on brick and tile?

    It may be lime leaching through from the back side.

    20,000 gallon in-ground gunite/plaster pool (1992), attached spa with spillway, Pentair Superflo 1.5 HP pump, Smith booster pump for pool sweep, Pentair 2000 DE filter, Sta Rite Max-E-Therm 400 heater, Silencer Blower 2 HP for spa, Polaris 280 pool sweep.

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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    DFW, TX

    Re: What is causing white discoloration on brick and tile?

    It is called efflorescence. There are zillions of websites that talk about it. Have a google and read more than you ever wantee to know. We have some and I leave it alone. I believe it will eventually stop when some equilibrium is reached.
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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