Tag: Wood bleaching

According to the U.S. Department of Agriculture (USDA), spinach is particularly rich in oxalic acid, containing a much higher concentration than most other crops. The best source of oxalic acid, however, depends heavily on the intended use, distinguishing between natural, dietary sources and more potent commercial products.

Oxalic acid is a potent cleaning agent, with its main commercial application in products like Bar Keepers Friend, where it serves as a primary ingredient for removing rust and stains. Its effectiveness, however, relies heavily on correct dilution, as using too much can damage surfaces while too little may be ineffective.