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Thread: Pebble Staining Issue

  1. Back To Top    #1
    JimboAZ's Avatar
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    Oct 2012
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    Maricopa, AZ
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    Unhappy Pebble Staining Issue

    Hi All,

    Our pool is a bit over a year old and maintaining levels has been pretty easy so far. I use a stenner to dose chlorine and do everything else manually. Just recently I noticed a lot of staining, it really seemed to creep up on us. I posted a picture where you can see the clean and dirty spots. The streaks are from the infloor cleaner and the clean square shaped spots are probably where our robot cleaner was resting. I have a feeling the staining is a combination of our AZ dust storms and high CH. And I don't think I kept the PH as low as I should've, and to top it off probably didn't brush enough.

    Any advice on what chemicals to add, or a recommendation to just drain and acid wash?

    FC=1 (our stenner timer broke, so I'm bringing this up to about 5-6 right now)
    CC=0
    TA=70 (this was always within range, but has just dropped recently)
    CH=590 (our tap water registers as 20)
    PH=7.2
    CYA=55ish

    I've been trying to keep PH lower and brushing a lot. I do see some dirt coming up, but to be honest I can't tell if it's getting better or worse.

    Thanks!!
    Attached Images Attached Images
    --22k gallon pool/spa, IG, pebble w/ glass beads/abalone, all tile spa w/ stacked stone and spillway, 30 sf waterfall, 3 telescopic fountains, EZ Touch 8
    --Pentair VS3050, Whisperflo waterfall pump, Clean & Clear 520 cartridge filter, Intellibrite 5G LED lights, Ozone, Q360 in-floor cleaning, 400k btu heater
    --100 perim ft pool, 25 perim ft spa, Depth 3.5' to 7', 405 sq ft travertine decking, TF100 test kit
    --Time Lapse Video of our Pool Build ---- Our Pool Build Thread

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    Butterfly's Avatar
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    Re: Pebble Staining Issue

    How did the CH get to 590 if the tap water is 20? Using cal-hypo?

    What type of brush are you using? Now that the pool is over a year old, you can use the combo brush or the s/s algae brush.

    Have you tested a spot with a trichlor tab to determine if it is organic?

    Also, I suggest you retest FC and CC after you add chlorine.
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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  3. Back To Top    #3
    JimboAZ's Avatar
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    Oct 2012
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    Re: Pebble Staining Issue

    Actually I just realized I tested our tap water, which is softened. Duh, I'll test from the outside tap. I'm pretty sure the calcium is normally pretty high.
    I do have a combo brush and have been using it. I'll do the tab test and report back.
    --22k gallon pool/spa, IG, pebble w/ glass beads/abalone, all tile spa w/ stacked stone and spillway, 30 sf waterfall, 3 telescopic fountains, EZ Touch 8
    --Pentair VS3050, Whisperflo waterfall pump, Clean & Clear 520 cartridge filter, Intellibrite 5G LED lights, Ozone, Q360 in-floor cleaning, 400k btu heater
    --100 perim ft pool, 25 perim ft spa, Depth 3.5' to 7', 405 sq ft travertine decking, TF100 test kit
    --Time Lapse Video of our Pool Build ---- Our Pool Build Thread

  4. Back To Top    #4
    JimboAZ's Avatar
    Join Date
    Oct 2012
    Location
    Maricopa, AZ
    Posts
    103

    Re: Pebble Staining Issue

    I tried the trichlor tab and it removed the stain. Then I noticed the chlorine was reading zero. So, either the pool is eating it up or my stenner wasn't really dosing yesterday. Manually added chlorine. Since the tablet removed the stain does this mean this is some kind of mold? Thanks.
    --22k gallon pool/spa, IG, pebble w/ glass beads/abalone, all tile spa w/ stacked stone and spillway, 30 sf waterfall, 3 telescopic fountains, EZ Touch 8
    --Pentair VS3050, Whisperflo waterfall pump, Clean & Clear 520 cartridge filter, Intellibrite 5G LED lights, Ozone, Q360 in-floor cleaning, 400k btu heater
    --100 perim ft pool, 25 perim ft spa, Depth 3.5' to 7', 405 sq ft travertine decking, TF100 test kit
    --Time Lapse Video of our Pool Build ---- Our Pool Build Thread

  5. Back To Top    #5
    Butterfly's Avatar
    Join Date
    May 2007
    Location
    South Carolina
    Posts
    10,045

    Re: Pebble Staining Issue

    If trichlor removed the stain, it is organic in nature. You should do a SLAM process and follow it to a T.
    http://www.troublefreepool.com/conte...tain-shockingl
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  6. Back To Top    #6
    JimboAZ's Avatar
    Join Date
    Oct 2012
    Location
    Maricopa, AZ
    Posts
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    Re: Pebble Staining Issue

    Thanks Butterfly, I'll do the SLAM.
    --22k gallon pool/spa, IG, pebble w/ glass beads/abalone, all tile spa w/ stacked stone and spillway, 30 sf waterfall, 3 telescopic fountains, EZ Touch 8
    --Pentair VS3050, Whisperflo waterfall pump, Clean & Clear 520 cartridge filter, Intellibrite 5G LED lights, Ozone, Q360 in-floor cleaning, 400k btu heater
    --100 perim ft pool, 25 perim ft spa, Depth 3.5' to 7', 405 sq ft travertine decking, TF100 test kit
    --Time Lapse Video of our Pool Build ---- Our Pool Build Thread

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