how to use wood bleach oxalic acid

Best answer


To bleach stains from the surface of wood, mix28-30 grams of Oxalic acid crystals with one cup of hot water, and leave it to dissolve completely. Using a brush, apply the mixture on the surface of the wood you wish to bleach and leave it to dry, make sure to cover all the area evenly.

People also ask


  • Why is oxalic acid used as a bleach?

  • Oxalic acid has many uses, but it is widely used as a wood bleach because it removes stains without removing the natural color of the wood.

  • Can you use oxalic acid to remove stains from wood?

  • If you are unsure what caused the stain, try oxalic acid first. If it is completely unsuccessful, then consider other types of bleach like an A/B or chlorine bleach. Oxalic acid has many uses, but it is widely used as a wood bleach because it removes stains without removing the natural color of the wood.

  • What type of Bleach should I use to bleach wood?

  • If it is completely unsuccessful, then consider other types of bleach like an A/B or chlorine bleach. Oxalic acid has many uses, but it is widely used as a wood bleach because it removes stains without removing the natural color of the wood.

  • Is oxalic acid safe to use on oak?

  • A/B bleach is extremely caustic and will quickly burn your skin and eyes. Iron, in the form of nails, hardware, or even bits of steel wool, often leaves a blackish stain on woods high in tannin, like oak. A wash of oxalic solution removes these stains as well as the grayed color of oxidized wood.

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