![]() ![]() Be certain to get the wash in trim pieces and into corner pieces. It is important to cover all areas of the wood to achieve the desired result. The wash will bleach the surface of the wood evenly. Apply the wash to the wood surface using a sponge. For larger areas mix 8 ounces of oxalic acid crystals with one-quart warm water. For small areas mix 1 ounce of oxalic acid with one-cup warm water. Step 1. Create an oxalic acid wash to bleach larger sections of wood that do not require the deep bleaching the oxalic paste creates. Thoroughly clean or discard the sponge after removing the oxalic acid paste. Remove the oxalic acid paste with a wet sponge. Apply the paste to the stained areas with a paintbrush and allow it to dry. This paste can also be used as a spot treatment but should not be used to cover an entire surface. The paste can be used on wood with dark stains created by watermarks. Mix three parts oxalic acid crystals with one part warm water to create an oxalic acid paste. #Purex 2 color safe bleach how to#How to Bleach Wood with Oxalic Acid Oxalic acid paste Here’s a quick tutorial from our friends at Hunker on how to do that. Oxalic acid is often used to bleach stained wood (NOT used with bleach but used to bleach read that again). The strength of the oxalic mixture depends on the cleaning and bleaching needs of the project. Mixing oxalic acid for household use is simple and takes just a few moments to complete. I use a standard pint-size mason jar with a shaker lid as a dispenser and use it most sparingly to clean pots and pans, my stainless steel sink and so muc more-while wearing gloves, keeping in mind that it is highly concentrated-much more than Bar Keepers Friend or Zud. I keep my oxalic acid in a well-marked little bucket that has a tight-fitting lid. The minute I learned this generic fact, I went online and ordered a 2-pound bag of oxalic acid (price varies) and marked Bar Keepers Friend off my shopping list forever. ![]() ![]() Are you familiar with Zud, another household and garage cleaner? It too contains oxalic acid. That miraculous product, Bar Keepers Friend, a 12-ounce can is highly diluted generic oxalic acid. In fact, if you look on the back of a can of one of my favorite cleaners, Bar Keepers Friend, you’ll read: Contains oxalic acid. Sounds scary, doesn’t it? Like something in the chemistry lab that could blow any second. It’s been years since I learned about oxalic acid. Today I want to offer you cheap generic alternatives for these three popular cleaning products-Bar Keepers Friend, Super Washing Soda, and OxiClean. Most people are well familiar with the term “generic” when it comes to medications, a term referring to any drug marketed under its chemical name without all the fancy packaging and advertising. ![]()
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