September 5th, 2020. Day one.
This is a closed ecosystem that has little to no exchanges with the outside environment. Collected September 5th, 2020 from a 20 year old fishing pond (ex-quarry).
Contains: cca 2,5l pond water. pebbles, water plants and cca 0.5l muck scraped off the bottom.
A selection of the water plants collected from the pond:
LED lights shining at 370 lumen.