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Thread: blue spots

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    Join Date
    Sep 2007
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    Gloucester County, NJ
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    blue spots

    don't have numbers right now (will tomorrow), but I have noticed 3 locations of blue spots in my new gunite/white plaster pool. When going underwater to see the spots, they look like individual blue crystals, as if they were quartzite, but it shouldn't be as I did not have quartzite installed. any thoughts? I ahve tried the spot acid and trichlor treatments with no change. I have also tried one of those stain removers for the pole and waterproof sandpaper....no changes.
    28,000 gallon gunite/white plaster with 30ft RBB and 2ft sheer descent, 100 sq ft thermaledge, 50sq ft spa w/ 6 jets
    2HP Jandy pump, 60sq ft Jandy DE filter, 400,000 BTU Jandy LX Nat Gas Heater, 2 Jandy color lights + Jandy color spa light, Jandy Aqualink RS6, Jandy AquaPure 1400

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    mbar's Avatar
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    Apr 2007
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    Ashland PA
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    Have you used any copper products in the pool?
    16x33 fiberglass pool sand filter

  3. Back To Top    #3

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    no, no copper products. we have well water, but have never had copper test positive, only iron.
    28,000 gallon gunite/white plaster with 30ft RBB and 2ft sheer descent, 100 sq ft thermaledge, 50sq ft spa w/ 6 jets
    2HP Jandy pump, 60sq ft Jandy DE filter, 400,000 BTU Jandy LX Nat Gas Heater, 2 Jandy color lights + Jandy color spa light, Jandy Aqualink RS6, Jandy AquaPure 1400

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    duraleigh's Avatar
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    Since you have put none in your pool, I doubt copper is the issue.

    Blue is unusual enough that I also suspect it is not a staining issue.

    Can you examine it closely to determine whether or not it is something erroneously imbedded in the plaster?
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  5. Back To Top    #5

    Join Date
    Sep 2007
    Location
    Gloucester County, NJ
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    141
    Exactly my thought...I spoke with the PB yesterday. They are going to come out to look as they couldn't figure it out either by describing it.
    28,000 gallon gunite/white plaster with 30ft RBB and 2ft sheer descent, 100 sq ft thermaledge, 50sq ft spa w/ 6 jets
    2HP Jandy pump, 60sq ft Jandy DE filter, 400,000 BTU Jandy LX Nat Gas Heater, 2 Jandy color lights + Jandy color spa light, Jandy Aqualink RS6, Jandy AquaPure 1400

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