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Dark Lines in Walnut Slab5/11
I have a 2 inch thick live edge walnut slab I am using to make a coffee table. It has some nice heart wood in the center, and quite a bit of light sap wood surrounding the heart wood. The slab is about 48 inches long, and 24 inches across. There are some dark lines gong across the slab, the 24 inch direction. They aren't super definitive lines, more like blurry gray smudges that cross the entire piece. It looks like they might be from the stickers that were used when the tree was dried or stored. The lines are on both sides, top and bottom, of the slab. They do not appear to go all the way through. I am trying to decide if I should just keep removing material in hopes that they will go away, or leave them and hope they don't show heavily in the finished piece. What do you guys think?
It is likely sticker stain. I would keep taking away material until it's no longer visible. Any finish or stain will show and likely even highlight the greyish lines.
Unfortunately I don't think there's any way to tell if your goal is to maintain the live edge. Otherwise you can see how deep the stain goes when you joint an edge. My experience has been that sometimes it only goes just below the surface, and other times it can go over 1/4" down into the wood. Your only way to find out is to keep on planing as it will show up through the finish.
I also had the same problem. This was a first for me. Would your wood supplier happen to be in North Georgia?
No, wood came from Washington state. Thanks for the input everyone.
A photo would be great, as it is likely that the lines are indeed sticker stain (that can be shallow or deep). Walnut sapwood is prone to sticker stain when drying is not done correctly. In some cases, oxalic acid (wood bleach) can be used to lighten the stains.