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Thread: How do I deal with nasty surprise behind pool light?

  1. #1
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    Default How do I deal with nasty surprise behind pool light?

    I noticed sometimes I will get a little algae in the crevices around the pool light (poor circulation there?). Today I decided to pull the light out to see what's behind there.

    Yuck! There was quite a bit of white-ish/off white slimy stuff and a little bit of green algae.

    I brushed everything off as good as I could and am planning on bringing CL up to shock level this evening while leaving the light out/floating.

    Does this sound like a good plan? Anything else I should do?

    I guess in the future I need to periodically remove the light and clean it out?

    Btw, I've only removed the light once before several years ago when I had to replace the bulb (I believe that was around 2007/2008).

    Advice welcome!
    22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6

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    Default Re: How do I deal with nasty surprise behind pool light?

    Sustained shock level should do the trick!

  3. #3
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    Default Re: How do I deal with nasty surprise behind pool light?

    Quote Originally Posted by PoolDoc View Post
    Sustained shock level should do the trick!
    Thanks Ben.

    How long should I sustain shock level? Just until CL holds overnight like I did for spring opening?
    22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6

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    What's your CYA level?

    ====================

    Let me answer differently -- dose at 20 - 25 % of your CYA level, and hold it above 15% for 3 days.

    .
    Last edited by PoolDoc; 07-09-2014 at 04:16 PM. Reason: merge sequential posts

  5. #5
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    Default Re: How do I deal with nasty surprise behind pool light?

    Quote Originally Posted by PoolDoc View Post
    What's your CYA level?
    80

    So I'm planning to bump CL up to 20 (currently CL is at 6-7).
    22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6

  6. #6
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    Default Re: How do I deal with nasty surprise behind pool light?

    Quote Originally Posted by PoolDoc View Post
    What's your CYA level?

    ====================

    Let me answer differently -- dose at 20 - 25 % of your CYA level, and hold it above 15% for 3 days.

    .
    Got it. Thanks.
    22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6

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