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Thread: Stains on my steps

  1. Back To Top    #1

    Join Date
    Dec 2013
    Location
    Augusta, GA
    Posts
    96

    Stains on my steps

    Hi,

    I'm trying to identify some stains on my pool steps. Any guidance on what type of stains these may be and the best strategy for removing them? I have tried rubbing vitamin C on them and they only lighten very slightly. I have also tried pouring bleach directly over them and haven't seen any change.

    Thanks for any insight.

    IG gunite pool / 30,000 gal / 20'x 40'/ built mid 70's
    1.0 HP Hayward Super pump / Polaris PB4-60 booster pump
    Pentair SD-80 sand filter
    Intermatic mechanical timer (PF12222TB)
    Location: Augusta, GA, TF100 test kit

  2. Back To Top    #2

    TFP Guide
    Mr Bruce's Avatar
    Join Date
    Mar 2014
    Location
    Greenville, SC
    Posts
    2,091

    Re: Stains on my steps

    That looks like algae to me. What happens if you set a puck on them for 15-30 minutes?

    A full test result would be good also
    32K gallon Plaster - CircuPool SJ-55 SWG - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL/K-1766
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart - Support TFP

  3. Back To Top    #3

    Join Date
    Dec 2013
    Location
    Augusta, GA
    Posts
    96

    Re: Stains on my steps

    Unfortunately, I don't have any pucks at the moment. I've pretty much been using bleach exclusively and don't have any left over from pre-TFP.

    I'll do a full test result and post as soon as I have a chance.
    IG gunite pool / 30,000 gal / 20'x 40'/ built mid 70's
    1.0 HP Hayward Super pump / Polaris PB4-60 booster pump
    Pentair SD-80 sand filter
    Intermatic mechanical timer (PF12222TB)
    Location: Augusta, GA, TF100 test kit

  4. Back To Top    #4

    Join Date
    Dec 2013
    Location
    Augusta, GA
    Posts
    96

    Re: Stains on my steps

    I was at Walmart last night stocking up on bleach and noticed they had a single chlorine puck available for sale. Picked one up and placed on one of the black spots overnight. When I checked it this morning, the spot was clean. Moved it to another spot this morning and will check again when I get home from work.
    IG gunite pool / 30,000 gal / 20'x 40'/ built mid 70's
    1.0 HP Hayward Super pump / Polaris PB4-60 booster pump
    Pentair SD-80 sand filter
    Intermatic mechanical timer (PF12222TB)
    Location: Augusta, GA, TF100 test kit

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