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Thread: Few spots of scaling

  1. Back To Top    #1

    Join Date
    May 2014
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    Inverness Fl
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    Few spots of scaling

    FC 7
    CC 7
    CYA 50
    pH 7.8
    TA 90
    CH 275

    Got a few spots of calcium scaling showing up (took a couple of small crystals-with MA fizz test). Not a lot-about 5 or 6 small one. Wouldn't think with my test numbers that it would happen. But been really hot-humid here in Fl., have taken to using fountain like Dave S. (thanks) to lower water temp. Don't know if this has caused it, have not had it before. Just efflorescence.

    Should I be concerned about this to much? I just take a nut pick and scrape it off. If I don't get 100% of it off, will it matter. They are really small areas, and I didn't want to have to do a MA wash of each spot.
    mid 2014 12 X 30 12k gallons IG Plaster\Fl Gem Finish. StaRite\Pentair DE filter. StaRite\Pentair IntelliPro VS Pump. Pentair UltraTemp Heat Pump Unit. Intellichlor IC40 salt system (not up and running yet)
    Very hard well water-no iron. TF-100 Test Kit (the best)

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    Join Date
    Jul 2011
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    Arizona & California
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    Re: Few spots of scaling

    See this link for possible issue with your plaster: Calcium Nodules in pools

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    May 2014
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    Re: Few spots of scaling

    onBalance

    I read your pdf paper on this. So am I correct (since these are in the grout between tiles), that I should just do nothing for now until the calcium is exhausted from underneath. Won't hurt the pool overall.

    Thanks
    mid 2014 12 X 30 12k gallons IG Plaster\Fl Gem Finish. StaRite\Pentair DE filter. StaRite\Pentair IntelliPro VS Pump. Pentair UltraTemp Heat Pump Unit. Intellichlor IC40 salt system (not up and running yet)
    Very hard well water-no iron. TF-100 Test Kit (the best)

  4. Back To Top    #4

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    Re: Few spots of scaling

    Now that you have read the article about nodules, you know that those growths have nothing to do with the balancing of the pool water.

    Since those nodules are forming on the grout of tiles, go ahead and scrape the nodules off, they may not return. But you could also try to fill in the pinholes and cracks (beneath or under the nodules) with epoxy. That would ensure that nodules won't continue to form.

    There won't be any long-term damage to the pool.

  5. Back To Top    #5

    Join Date
    May 2014
    Location
    Inverness Fl
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    Re: Few spots of scaling

    onBalance

    In trying to seal a pin hole in the grout (color-dark gray), do you have a recommendation for a good underwater epoxy cement.

    Thanks
    mid 2014 12 X 30 12k gallons IG Plaster\Fl Gem Finish. StaRite\Pentair DE filter. StaRite\Pentair IntelliPro VS Pump. Pentair UltraTemp Heat Pump Unit. Intellichlor IC40 salt system (not up and running yet)
    Very hard well water-no iron. TF-100 Test Kit (the best)

  6. Back To Top    #6

    Join Date
    Jul 2011
    Location
    Arizona & California
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    768

    Re: Few spots of scaling

    Since this is only for filling in a small pin hole crack, I would think that any kind of two-part waterproof epoxy would work fine and do the job.
    I have also seen hardware stores sell a grey or black epoxy too.

  7. Back To Top    #7
    Mod Squad pooldv's Avatar
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    Re: Few spots of scaling

    My PB uses pool putty For stuff like that. He mixes white and black to match our grey.
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