Oxalic Acid for Woodworkers, Beekeepers, and Marine Cleaning

Pure Oxalic acid is a favorite among woodworkers, beekeepers, and marine maintenance professionals—and for good reason. It's powerful at removing rust, bleaching wood, and even managing varroa mites in beehives. But in the UK, its sale and use are strictly regulated under the Poisons Act and modern safety regulations.

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If you’ve been looking for a legal, hassle-free way to use oxalic acid, HD Chemicals has you covered. Through their child brand DIY CLUB, they offer ready-to-use 5% and 9.95% oxalic acid solutions—both completely legal to purchase in the UK without a licence.

Let’s break down why oxalic acid is so useful, how the law affects you, and where DIY CLUB’s products fit in.

⚖️ UK Law: What You Need to Know

Oxalic acid in concentrations above 10% is classified as a regulated poison in the UK. To buy or use it legally above that threshold, private individuals need a Home Office Explosives Precursors and Poisons (EPP) licence.

If you’re a DIYer, beekeeper, or working in marine maintenance, it’s far more practical to use a solution under the 10% threshold—which keeps you safe, legal, and productive.

If you're business customer you can fill form with details and then we will be able to ship pure oxalic acid crystals. You will find this form on product page and that will take 2 minutes to complete. 

✅ Legal Alternatives from DIY CLUB by HD Chemicals

HD Chemicals, under their DIY CLUB brand, offers two oxalic acid solutions that are fully compliant with UK law:

• Oxalic Acid 5% Solution – Perfect for lighter stain removal or more delicate surfaces.

• Oxalic Acid 9.95% Solution – Ideal for deeper cleaning, wood bleaching, and professional beekeeping or marine tasks.

Both are pre-mixed, ready to use, and safe to purchase without a licence.