Support BladeForums! Paid memberships don't see ads! I have never worked with natural mesquite. I just went with what I had on hand, which was Tru Oil. I guess I will just keep applying it until the wood won't soak up any more. I also heard you can use Danish Oil, but I don't have any on hand. Since taking this picture, I have put another coat on, sanding it with 800 grit to make slurry. It still is quite porous.