Also known as wood bleach, oxalic acid is actually an organic compound that's found in vegetables like spinach or rhubarb. When it's extracted and processed, it becomes a powerful acid that is ...

"The best way to avoid bleach stains on [wood products] is to avoid using bleach altogether." Instead, Gomasi recommends ...

According to Carol Mehas, natural cleaning products, “Scent free is preferred ... has faint lines that are called the grain.” ...