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 ...

Wood, however, is quite soft and porous ... Diluting it with other abrasives and minerals like in BKF means the oxalic acid ...

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 ...

and it should help you get the iron oxide out of the wood. If it doesn't, you can up the ante and unleash a more powerful ...