Oxalic Acid Crystals

Oxalic Acid Crystals

Oxalic acid can be used as a household cleaner in various forms including as a wood stain remover, bleaching agent, rust remover, and as a simple cleaning agent. It is also effective at removing paint or varnish, as well as ink stains.  NOTE: Solutions of Oxalic Acid are poisonous. Rinse surfaces it is used on thoroughly.