The EcoSphere Closed Aquatic Ecosystem is a complete ecosystem with sea water, algae, bacteria and live marine shrimp, all enclosed in a sealed glass sphere. All you need to do is to place the EcoSphere in sunlight. Unlike an aquarium, you do not need to feed the shrimp or change the water. The ecosystem is self contained and self sustaining.
How to Make an Ecosystem in a Bottle With Fish & Plants
"jar aquarium..has no filter, no heater, etc. He is using only live plants as the biological source of filtration (mostly Italian vals, anubias petite, marsilea quadrifolia,..low light These setups have been running since April 2013. using white sand ( from Substratesource) as the base. All jars are under one single bulb of T5NO 18W. No algae issues. Water change and top off once every 2 weeks at 30% (quick and easy). No ferts added."
The Glass Castle by Jeannette Walls When I asked for reading suggestions at the end of my last book club chat, many of you said The Glass Castle. It’s the memoir of a girl growing up in a very eclectic and cash-strapped family.