how to use wood bleach oxalic acid

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How do you use oxalic acid wood bleach?Dissolve 12 to 16 ounces of oxalic acid crystals into one gallon (or 2-4 oz. in a quart) of hot water. Use solution while hot, with a scrub brush. Apply liberally allowing solution to remain on surface until desired lightness has been achieved. Click to see full answer.

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.

  • How do you mix oxalic acid for bleaching wood?

  • There are two ways of mixing oxalic acid for bleaching wood. Oxalic acid wash is prepared to bleach a large surface of the wood without deep bleaching. To prepare the wash for a small wooden surface, mix one ounce (28 grams) of oxalic acid crystals with one cup of warm water.

  • Does oxalic acid remove stains from wood?

  • The bleach can also remove shallow rust stains and alkali stains caused by some wood strippers, but its widest use is in removing dark water stains. The effectiveness of oxalic-acid bleach is clear from this after picture. Oxalic acid comes in crystal form for you to dissolve in water.

  • 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.

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