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Thread: Question about rust

  1. Back To Top    #1

    Join Date
    Sep 2015
    Los Angeles

    Question about rust

    I have a spillover made of stainless steel that is getting spots of rust. I'm concerned about getting corrosive/unhealthy chemicals into the spa while cleaning it. What is the safest/best way to clean it?

    1100 gallon gunite IG spa with vanishing edge and 300 gallon overflow basin. Cartridge filter, hayward variable speed pump, finished 11/15/15, Taylor kit,

  2. Back To Top    #2

    Join Date
    Apr 2013
    Sacramento, CA

    Re: Question about rust

    Very fine 600 sand paper
    22k gallon IG pebblefina, Jandy 1.5 HP VS, Jandy CV Cartridge filter, Fafco solar panels, Polaris 360 supply side cleaner, waterfall

  3. Back To Top    #3

    Join Date
    Feb 2009
    Hampstead, NC, transitioning to Perfection, NC

    Re: Question about rust

    Stainless shouldn't rust. If it is actually rusting itself, then the alloy is incorrect for the installation or the passivation layer has been damaged. Rust spots will appear on stainless due to contact with carbon steel. Polishing with wet or dry corundum sandpaper will remove it, but it can also remove the passivation layer that protects it. Which may be why you are seeing rust spots.
    16X32 AB, Pentair SD filter, 3/4hp Pentair Optiflo, CircuPool RJ30+ swg, TF 100, 19 X 37 igv, Pentair filter, 1hp Pentair Superflo pump.

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