DIY Solar Oven prototype #1

Cooking is something we all have in common, whether we do it ourselves or have someone do it for us. Almost half the world currently cooks by burning biomass directly; wood, coal, dung, waste plant material, etc. The other half of us burn fossil fuels such as gas, or use electricity generated from burning fossil fuels,…

$20 DIY Aquaponic Fish Tank from Recycled Pallets

  Project goals: Build a small Aquaponic fish tank for under $20. Integrate a Swirl Filter. Integrate a Bio Filter. Use recycled materials whenever possible. NO complex timber joints  – keep it simple. Leave space for easy insulation installation. Use simple hand tools whenever practical. Materials Required: 6 timber pallets. You can often get these for free, look in…

DIY swirl filter #1

Here’s the tutorial on how to make a swirl filter out of a bucket, some garden hose, 4 zip-ties, a piece of pipe, and some silicone! This filter was made for the Timber Prototype Tank #1 project. It was fed intermittently from a reservoir that pooled water that had drained from 4 prototype grow beds, totaling around 110L…

Simple Aquaponic biofilter prototype #1 & #2

This article covers our ultra-simple Biofilter design, D.I.Y instructions, plus a little bit of science to help you understand what Biofilters do, and why you need one. Biofilters are not essential for every Aquaponic system, as certain types of designs, or systems with a huge excess of grow media may not need them, even if they…

Timber Tank Prototype #1

The timber tank prototype was the fifth tank added to our prototype Aquaponics system in Sydney, Australia. It was originally going to have a vertical frame integrated to support grow beds directly above it, but this was abandoned since we had no space available for the tank with sufficient direct sunlight to make it practical. Weight was…