My new closed ecosphere. Collected water, algae, and some sand from a lake. Tons of planaria, snails and amphipods https://www.allforgardening.com/578341/my-new-closed-ecosphere-collected-water-algae-and-some-sand-from-a-lake-tons-of-planaria-snails-and-amphipods/

#ClosedEcosystems #Ecospheres #miniature #selfsustaining #self-contained