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Thread: Pool lights and algae

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    tdp's Avatar
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    Pool lights and algae

    I had an algae problem about a month ago and SLAMed successfully. The pool looks great now, but I can see some brownish stuff in my pool lights.
    Can I remove the lights while they're under water (after shutting off breaker, of course). Don't want to electrocute myself next year when I turn them on again BTW, they are PAL led lights. Thanks!


    ~17,500 gal. IG Fiberglass, Viking "Cambridge"; installed 6/2015
    SWG Hayward Turbo Cell T-9
    Hayward Hi-Rate Sand Filter
    Hayward Max-Flo XL pump
    TF-100 Test Kit/SpeedStir

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    Mod Squad tim5055's Avatar
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    Re: Pool lights and algae

    If you see things behind the lens they really don't contact the water.

    But, in answer to your question yes, you can remove the light. The bulb is enclosed inside a sealed unit so removing it from the wall is safe. There should be sufficient cord length behind the light to allow you to bring it up onto the pool deck for service when you remove it from the wall.

    If you need to open the sealed unit understand that there is generally a gasket between the lens and housing that holds the bulb. Most manufacturers recommend replacing this gasket if you open the light. Figure somewhere in the neighborhood of $15 for a new gasket.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    pabeader's Avatar
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    Re: Pool lights and algae

    Be ready for a plume of yuck to come out when you do this. Some folks will have their vacuum hose ready to suck up whatever comes out. This is usually a suggestion made during a SLAM so the elevated FC can get in there and kill off anything still trying to hang on.
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

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    tdp's Avatar
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    Re: Pool lights and algae

    Oh, if I go in there, I'm gonna have some old clothes, a bucket of bleach, and a toothbrush at the ready )


    ~17,500 gal. IG Fiberglass, Viking "Cambridge"; installed 6/2015
    SWG Hayward Turbo Cell T-9
    Hayward Hi-Rate Sand Filter
    Hayward Max-Flo XL pump
    TF-100 Test Kit/SpeedStir

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    Mod Squad tim5055's Avatar
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    Re: Pool lights and algae

    The area behind the light is flooded right now, so don't worry about the bucket of bleach and toothbrush. Just opening it up will allow the higher chlorinated water in and clean stuff up. But, as Bob said having your vacuum sucking before you open it will get rid of a lot of the junk.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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