![]() Don´t put the jar in a place with direct sunlight! A bright place is fine, but direct sun might kill the snails, they will get literally boiled while your away and you won´t notice.You can always open it, feed the snails and/or change water if necessary.This is not an hermetically sealed environment like the so-called "ecospheres" or alike.Important: It seems like a few people only read the topic and are concerned about the well-being of the snails in a closed containment. The food for the snails is not regularly added from outside, but grows in the containment, maybe you might need to feed a tiny amount once in a while to keep them growing. Sounds simple, but in reality it´s a little more complex:īut as opposed to classic "open" aquariums, all the gases and microbial metabolic products stay inside the closed containment and are reused/recycled/re-metabolized. ![]() Their leftovers (snail poop) are then metabolized by micro-organisms, whose leftovers are the nutrients which the plants and algae need to survive and grow. The snails also eat tiniest and almost invisible algae growing on the plants and on the inside of the jar and keep it it clean. ![]() The snails breathe in this oxygen and breathe out carbon dioxide and nitrogen, which the plants need. The plants (and algae) in the jar produce oxygen via photosynthesis if exposed to light. All it needs from outside the jar is a little energy input (light) to keep it up and running (or better: metabolizing). ![]() This setup represents a really small closed and self-sustaining eco-system. ![]()
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