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Oxalic Acid is a versatile acid that can be used to control Varroa mite in beehives using the vapourisation technique. It can also be dissolved in sugar syrup at 3.2%. It is safe to use when the Honey flow is on, and does not affect honey .
Also useful in cleaning products, as a stain remover, and sequestrant for metals. It can be useful for bleaching timber, cleaning timber decks and lifting metal stains. Oxalic acid is also a reducing agent and its base, known as oxalate is a chelating agent for metallic ions like Calcium, Magnesium and Iron. Oxalic acid can be used to bleach wood, removing black stains caused by water penetration.
***CAUTION - Oxalic Acid is toxic at high doses and should not be ingested, or have prolonged skin contact.