Small black spots and maple looks dirty after sanding

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Forum topic by nicole72 posted 793 days ago 936 views 0 times favorited 2 replies Add to Favorites Watch
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21 posts in 924 days

793 days ago

Topic tags/keywords: sanding question

Okay, so I don’t know of this is a wood fungus or what, but I am sanding an end grain board I made and parts of the maple appears dirty for lack of a better word and there are several black spots that were not there yesterday? And it really isn’t getting any better with the next level of sandpaper….I guess uses I should back all the way down to like 60 or 80 but am afraid it will just look the same! Any advice or constructive criticism welcome! Thank y’all!

-- Nicole

2 replies so far

View RussellAP's profile


2895 posts in 792 days

#1 posted 790 days ago

If it’s mold you can dab a bit of diluted bleach on it and it should change color. I would not sand it because mold can be dangerous if made airborne. this is a place to get a mold kit to test it. It’s about 8 bucks. Good luck.

-- A positive attitude will take you much further than positive thinking ever will.

View gfadvm's profile


9578 posts in 1195 days

#2 posted 790 days ago

Pictures of the problem would help us diagnose the problem.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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