Meanwhile, deeper stains may also need a bit of isopropyl alcohol to lose their grip on the hardwood fibers. Oxalic acid is ...

OXALIC ACID 99.6% PURE (Dihydrate) Deck, Crystals and Metal Cleaning Rust Removal, Wood Stain Remover and More! Usage instructions found underneath product picture. If you do not see the ...

Mix one part household bleach with four parts water, soak a rag in it and lay the rag over the stain. Bleach works slowly; ...

Here's how to use oxalic acid to remove any unsightly stains and dramatically brighten the color of wood. Read more: 10 Ways To Bring Old Hardwood Floors Back To Life First things first -- since ...