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Thread: CC-0 (even after 25ml test),PH 7.6 and still burning eyes?

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    88rxn/a's Avatar
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    Question CC-0 (even after 25ml test),PH 7.6 and still burning eyes?

    can someone please help me with a burning eyes issue? she feels a instant burning sensation getting the pool water into her eyes. this happened last week also so i added a box of borax (a week ago) to raise PH since it was low (7.2). now today , the same problem. the water is clear with no sign of algae.
    FC 4.5
    CC 0 (tested 0 with 25ml test also)
    PH 7.6
    TA 60
    CH 20
    CYA 50 i know this is the low side for salt
    salt 1990 (used blue bag solar salt)
    24X4 round vinyl liner 160 jacuzzi sand filter

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    Re: CC-0 (even after 25ml test),PH 7.6 and still burning eyes?

    There is nothing in your test results to indicate a problem. I will say that my eyes always sting just a bit when opened under water. I have always assumed that happened to everyone.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: CC-0 (even after 25ml test),PH 7.6 and still burning eyes?

    The swimming pool water is not isotonic. That means that salt concentration is not similar to tear salt content. It should be 9mg/ml (0.9%) to be perfect. This is the most probable explanation for this initial pain sensation.
    South of France inground rectangular 17k pool - ruber membrane. Sliding dome, black thermal blanket covering 75% of the pool surface. Aqualux 3/4Hp pump, glass media sand filter, Zodillac robot, 110W UV-c lamp, Hayward brominator, Caliente 12kW heat pump.

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    Re: CC-0 (even after 25ml test),PH 7.6 and still burning eyes?

    I have heard that sunscreen in pool water can cause your eyes to burn. You could also add pool salt to a concentration of 2000 ppm.
    39YO 13K gallon former SWAMP/MONEY PIT, concrete bottom/Fiberglass Walls, Ecotech VS pump, Hayward Sand Filter, Dolphin DX5 Plus, Loop-Loc safety cover and YES, I have a TFT-100 test kit!

    Shock Level and Maintain - CL/CYA Chart

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    88rxn/a's Avatar
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    Re: CC-0 (even after 25ml test),PH 7.6 and still burning eyes?

    Salt level is at 1990. She doesn't really go under the water. Its more when getting splashed by my daughter by accident. My daughter uses sunscreen. Could that be the issue? Or does she just have sensitive eyes?
    24X4 round vinyl liner 160 jacuzzi sand filter

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    Re: CC-0 (even after 25ml test),PH 7.6 and still burning eyes?

    Quote Originally Posted by 88rxn/a View Post
    Salt level is at 1990. She doesn't really go under the water. Its more when getting splashed by my daughter by accident. My daughter uses sunscreen. Could that be the issue? Or does she just have sensitive eyes?
    If I have sunscreen on my face and either water or sweat causes it to drip to my eyes, yes......it burns.
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
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    88rxn/a's Avatar
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    Re: CC-0 (even after 25ml test),PH 7.6 and still burning eyes?

    She claims she's not wearing any sunscreen? Maybe its not the water? Makeup perhaps?
    24X4 round vinyl liner 160 jacuzzi sand filter

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