By Jenny Mills · rural nurse & homesteader · health, safety, law and the paperwork of going bush

“My first batch of salami rotted in four days when I ignored the 10°C rule during a summer heatwave.”

Look, if you're off-grid in Australia and want to make your own charcuterie, forget the fancy fridge. It's doable. But don't expect to pull it off in a Brisbane heatwave. Here's how to actually do it.

Humidity: The Make-or-Break Factor

Target 70-85% RH. No ifs, buts, or maybes. If it's drier, your salami turns to dust. If it's wetter, moulds grow like weeds. Simple.

How to hit it off-grid:

• Use a fridge with a bowl of water inside (not the freezer). Bunnings sells cheap hygrometers ($15-$25) – get one. Don't trust the "feel" of the air.
• For sheds or root cellars: Line the floor with damp sand. Check humidity daily. If it's below 70%, add a wet sponge. If above 85%, open the door for 10 mins.
• Never do this in Darwin or Cairns. The humidity's too high. Wait for winter.

Temperature: Keep It Cool, Not Cold

Aim for 10-15°C. Below 10°C, the curing slows to a crawl. Above 15°C, bacteria party. Off-grid? Your shed in winter is perfect. If it's above 18°C, skip it. No exceptions.

Practical tip: Hang your meat in a shaded, breezy corner of your shed. Not in the sun. Not in the hot garage. If it's hotter than 20°C, don't start.

Aging: Patience, Mate

Salami: 4-8 weeks. Bacon: 3-6 weeks. No shortcuts. If you rush it, you get slimy, unsafe meat. Turn the meat every 2-3 days. Wipe off any mould with a cloth dipped in vinegar (1 part vinegar, 3 parts water). If it's furry white, that's fine. Black or green? Bin it.

Australian Suppliers & Pricing

Pork shoulder (best for salami): Local butcher. $18-$22/kg. Get it from a reputable place – supermarket pork's too lean. Ask for "pork shoulder with fat".

Non-iodised salt: Bunnings ($5 for 1kg). Don't use table salt – it's got anti-caking stuff that ruins curing. Maldon salt is overkill.

Hygrometer: Bunnings ($18) or Amazon AU ($22). No need for fancy ones. Just a basic digital one.

Final Word

It's not hard. It's just bloody tedious. Do it in winter. Use a shed, not your house. Check humidity daily. If it's not right, don't force it. Your off-grid life depends on it. And if you're in the tropics? Wait until you've got a proper fridge. Don't risk food poisoning for a bit of salami.

When to Call a Professional

While many off-grid projects are achievable as DIY, certain situations require licensed professionals:

• Electrical work beyond basic 12V DC additions — requires a licensed electrician
• Structural modifications to buildings or load-bearing elements
• Gas line installation or modification
• Solar array installations above safe voltage thresholds
• Any work that affects the structural integrity of your property

Always check local regulations and obtain necessary permits before commencing work.