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Thread: Oh, The Joy of Stains

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    Oh, The Joy of Stains

    I am currently 3 hrs and 23 mins into draining my pool for the first time. The pool has only been in operation for 1 year since it was resurfaced (pebble finish). I used a pool service for the first year (so many puck has been used for chlorine). The pool has an attached spa, but it has never been used as a spa (we don't have a heater).

    Once the water level came down to a certain point, a nice rust-color stain is now apparent. The stain's upper most border is the pool's water line and its left and right borders are on the outsides of where the water spill-over occurs. Notice there is no staining on the corner of the spa (since no water spills over in that location). So, it seems the spill-over water is causing the staining.

    Does anyone have a guess as to what is causing it? This may be unrelated, but I cleaned my cartridge filters for the first time last week. The filters cleaned up nicely EXCEPT for 2 of the 4 filters had a 12 inch area of rust-colored staining on them. So, the filters were clean of debris, but the stain remained. This staining appears no where else in the pool.

    Thanks in advance for any guesses or recommendations on what to attempt to clean it with (as to not harm the pebble finish).




    18K gal, 32' x 17' IG, pebble - Hayward SwimClear C5030 cartridge filter, 2HP Hayward pump, Hayward W530 leaf canister, Hayward AquaNaut 200 automatic pool cleaner, Taylor K-2006 test kit

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    Re: Oh, The Joy of Stains

    Additional notes...

    * no other tiles around the pool or on the inside of the spa are affected.

    * The rust colored stain comes off the tiles rather well with a pumice stone. However, the pebble is also stained, so I'm not sure what to try on it. Muriatic acid?? If so, how to apply.

    Thanks.
    18K gal, 32' x 17' IG, pebble - Hayward SwimClear C5030 cartridge filter, 2HP Hayward pump, Hayward W530 leaf canister, Hayward AquaNaut 200 automatic pool cleaner, Taylor K-2006 test kit

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    cowboycasey's Avatar
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    Re: Oh, The Joy of Stains

    You can try a 20/water to 1/MA solution and see if that helps, next would be CLR in a spray bottle from lowes or HD, 1 of those 2 will surely get after it
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
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    Re: Oh, The Joy of Stains

    Quote Originally Posted by cowboycasey View Post
    You can try a 20/water to 1/MA solution and see if that helps, next would be CLR in a spray bottle from lowes or HD, 1 of those 2 will surely get after it
    Thanks. Are both of those ok to use on pebble? I was able to get the stain off the tile with pumice.
    18K gal, 32' x 17' IG, pebble - Hayward SwimClear C5030 cartridge filter, 2HP Hayward pump, Hayward W530 leaf canister, Hayward AquaNaut 200 automatic pool cleaner, Taylor K-2006 test kit

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