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Thread: How to Remove Leaf Stains Upon Opening Pool?

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    How to Remove Leaf Stains Upon Opening Pool?

    When I opened my pool that's been covered with a Loop Loc mesh cover all winter, I was able to vacuum to waste all the dirt and debris in it with no problem. Since then, however, I've noticed there are quite a few orangish-colored stains in it. I've scrubbed them with a wire pool brush, and they're not coming out, which leads me to believe they aren't algae. I'm thinking these are leaf stains, and am wondering what the best method for removing them is?

    I've been told I can try getting some vitamin C from WalMart and putting that over the stains to see if it removes them. Sounds simple...but a bit harder when I think about, "exactly how do I do this?". I suppose I could put a couple of tablets in a nylon stocking and press it down onto one of the stains, holding it there for a few minutes, and see if that works. If it does....great! Then I think, "how do I do this for the stains on the bottom of the pool?" Obviously, the water's too cold right now to climb in, so holding the stocking down with my foot isn't possible.

    Has anyone here had this issue? Is there a good solution available?
    16 x 31, Approx. 12,000 Gal Freeform IG pool; Flagstone coping; Quartzscapes Super Blue plaster finish; Tanning ledge w/2 bubblers; 1 HP Pentair Whisperflo pump, Pentair sand filter; (2) Pentair Intellibrite LEDs w/controller; Easytouch8 w/IC-40 SWG; Salt finish concrete decking.

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    duraleigh's Avatar
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    Re: How to Remove Leaf Stains Upon Opening Pool?

    Leaf stains are organic and will be slowly removed with elevated chlorine. Once your pool is shocked and your water is crystal clear, elevate your chlorine to about double it's normal level and the leaf stains will slowly disappear....may take a week or so.

    Vitamin C tabs are for metal stains....not organic
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    JasonLion's Avatar
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    Re: How to Remove Leaf Stains Upon Opening Pool?

    Leaf stains are almost always organic stains, which can be removed by a couple of days at shock level, or longer at regular levels.

    If you wanted to try the Vitamin C test, take a single Vitamin C tablet, drop it into the pool, slide it into position with a pole, and see what happens. I doubt that it will have any effect in this situation however.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: How to Remove Leaf Stains Upon Opening Pool?

    Dave and Jason,

    Thanks for the quick replies! I had my SWG set to 80% upon opening the pool, and left it there for a week, but it didn't seem to affect these stains at all.

    Although I had my water tested by our local pool store after about a week (and was told all readings were good, except for elevated chlorine), I dialed back the SWG to the normal 20% I use. (I have a Pentair Intellichlor IC-40 in my 12,000 gallon pool).

    Maybe it's time I tested the water myself and see what I come up with. Additionally, I will try the vitamin C tablet on one of the stains and see if it has any effect.

    I will try to post some pictures of these stains in the next day or so.
    16 x 31, Approx. 12,000 Gal Freeform IG pool; Flagstone coping; Quartzscapes Super Blue plaster finish; Tanning ledge w/2 bubblers; 1 HP Pentair Whisperflo pump, Pentair sand filter; (2) Pentair Intellibrite LEDs w/controller; Easytouch8 w/IC-40 SWG; Salt finish concrete decking.

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