Fun fact about myself: I build aquariums for a living. 
Is that hard?
Well, the concept is simple-plants, water, and a container, but larger ones can be difficult
What is that thing aquariums have that filters out the bad bacteria and germs? The motor thing from Finding Nemo.
I like to build my aquariums without a filter, but rather, I like to place enough plants in the aquariuam so they produce enough oxygen to sustain the tiny ecosystem.
That is so smart. It like an underwater rain forest!
The aquarium principle was fully developed in 1850 by the chemist Robert Warington, who explained that plants added to water in a container would give off enough oxygen to support animals, so long as the numbers of animals did not grow too large. The aquarium craze was launched in early Victorian England by Gosse, who created and stocked the first public aquarium at the London Zoo in 1853, and published the first manual, "The Aquarium: An Unveiling of the Wonders of the Deep Sea" in 1854. An aquarium is a
wrote after testing an early pre-alpha build that “the game was pretty darn fun ... both for me and those watching.” However, the article also addresses the issue of looking "goofy" while playing a VR game: "One thing you may notice about this video is that I do, in fact, look like a total goober to an outside observer while playing this game. This is not something that is a new phenomenon for VR, which regularly can make you look ... well a bit goofy.