Does anyone here keep a terrarium, and if so what do you have in it? I have a 10 gallon bottle going spare and fancied planting it up and keeping it mostly self sufficient after reading this but not as extreme 
http://www.dailymail.co.uk/sciencet...garden-thriving-40-years-fresh-air-water.html
Excuse the DM link
E: For plants only, not critters
http://www.dailymail.co.uk/sciencet...garden-thriving-40-years-fresh-air-water.html
Excuse the DM link
E: For plants only, not critters