Oxalic acid on paint

1075 Views 5 Replies 4 Participants Last post by joecaption, Apr 16, 2016

noquacks

Discussion Starter · Apr 16, 2016

Ever use dilute oxalic acid for tannic acid stains from oak tree? Have a cool deck around my pool, and it has an acrylic outdoor decking coating (paint??). Worth a try?

Thanks

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joecaption

· #3 · Apr 16, 2016

I'd try an oxy cleaner before I used and acid on it.
http://www.oxiclean.com/versatile/landing.aspx
That's what composite deck manufactures suggest to remove tannin stains on decks.

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joecaption

· #6 · Apr 16, 2016

No, buy some oxyclean make it into a thin paste scrub it in with a stiff brush and rinse it off with a hose.

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