July 12, 2012

Food

12-volt fridges

It’s the ultimate off-grid luxury – the sun is baking, dust is caking the back of your throat….. you reach into the DC Cooler for a cold beer. And it comes out ice-cold, not tepid.
Or it might be drugs you are storing- that just have to remain cold in order to be effective. Not as important as a cold beer, some might say, but mission-critical nonetheless.
The criteria to judge a 12-volt fridge are simple – how cold does it go and how much energy does it use getting there?…

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Food

Aquaponics greenhouse for $50 – DIY

You live in a small urban dwelling – an apartment with a balcony or rooftop, or in a house with a tiny yard. So how can you make a small step towards self-sufficiency?

We’re here to tell you it is possible – but don’t take our word for it: ask Aquaponics Steve.

Aquaponics is defined as “sustainable food production system that combines plant-growing with a traditional aquaculture (raising aquatic animals such as snails, fish). It was Steve’s years working in a pet shop that gave him the know-how. The secret is in breeding the bacteria from fish waste – sounds yucky but it works – with no need to use creepy chemicals.

He shows you how to make a tiny greenhouse and stock it full of plants for just $50. However if you want to spring for a solar panel, car battery and pump then you can go the whole way to a full aquaponics set up. …

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