How would you do it? The trick is to set up an aquarium that does it all by itself with as little maintenance as possible so that all you have to do is enjoy watching your fish.
(Hiring someone, or going to the beach / lake / friend's house / fish store / museum, etc. is against the rules.)

(Hiring someone, or going to the beach / lake / friend's house / fish store / museum, etc. is against the rules.)
