How To Repair Water Damaged Wood. Oxalic acid removes the gray color from oxidized wood, without changing the wood’s natural color. Ad the largest color palette in interior wood stain.
Ad free estimates from local water damage repair contractors in your area. Oxalic acid removes the gray color from oxidized wood, without changing the wood’s natural color. That’s why it’s commonly used as the active ingredient in deck cleaners, and why restorers use it to remove gray or black water stains on.
