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Thread: Pool Light Mounting Ring Rusting

  1. Back To Top    #1

    Join Date
    May 2016
    Richardson, TX

    Pool Light Mounting Ring Rusting

    Hey y'all. I hope someone has some insight for me as to why my mounting ring for my pool light is rusting. In February, I changed the old broken 300w 120v light to a 12v Pentair Amerlite. The light's trim ring is fine, but for some reason the mounting ring is now rusting. Anyone know why?
    33,1K gallon IG Vinyl - 1.5hp Sta-Rite Supermax VS - Pentair FNS Plus 60 DE filter - 35w 12v LED Color Change Pentair Amerlite 300w - CaliMar Titanium 60k gal SWG - Dolphin Nautilus Plus

  2. Back To Top    #2
    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: Pool Light Mounting Ring Rusting

    Low pH, maybe?

    If you are relying on pool store testing, it may well be that simple.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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