$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…

Spray bars: designs & DIY

Spray bars aren’t just for aerating your water, they also control the direction and flow of water currents in your fish tank. This article covers DIY spray bars, and some basic design options. The actual act of building a spray bar is easy, it’s just a pipe with a row of holes in it (see below). The hard bit is…

‘Bottle top’ your pipes! Sustainable pipe caps.

Pipe caps  are common in Aquaponic and Hydroponics systems, and are used in almost every Practical Sustainability project that involves water. This article will cover our methods for crafting the cheapest practical pipe caps. Commercial pipe-caps Basically, your commercial cap options are either; A simple cheap cap that is glued on – but cannot be removed for cleaning…