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Removing Mineral Stains From Soft Maple

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Forum topic by watchesandputters posted 01-27-2022 12:44 PM 424 views 0 times favorited 4 replies Add to Favorites Watch
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watchesandputters

10 posts in 482 days


01-27-2022 12:44 PM

Topic tags/keywords: maple

I was wondering if anyone had any insight as to how to remove these blue-ish, green-ish marks soft maple? I know oxalic acid can be used on poplar for example to remove the green tints however ideally I’d prefer not to have to douse entire boards if there’s something out there that will act more as a spot stain remover. The wood was kiln dried at a very reputable mill, stored inside at their facility, and will be receiving a beeswax or other oil based finish in case any of those details are of relevance. Thanks in advance for your thoughts.


4 replies so far

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drsurfrat

1410 posts in 639 days


#1 posted 01-27-2022 01:19 PM

If not oxalic acid, I have had good luck removing water stains from cherry with Dawn w water and a stiff plastic bristle brush. To make sure I didn’t just get a new line, I lightly wetted the entire piece after scrubbing.

-- Mike (near Boston) ... Laziness is the mother of invention, necessity is the mother of exhaustion - me

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Lazyman

9569 posts in 2840 days


#2 posted 01-27-2022 03:55 PM

You don’t have to douse the entire piece of wood in oxalic acid. You can just apply the solution to an area you want to treat, though any method you do a spot treatment with could cause a lighter splotch that could be visible later so you might want to try the spot treatment on a scrap just to see what affect it has on the appearance.

I assume you have tried just sanding it to make sure that it is not just on the surface.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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Gene Howe

12592 posts in 4881 days


#3 posted 01-27-2022 04:27 PM

Oxalic acid will remove the stain but, as Nathan counsels, try it on some scrap, first.
You might try plain old bleach first, though.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

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