WE have converted a 10x10 bedroom into a TANK room you could say.. At this time 11 Aquariums running in this room... Most have homemade custom stands with canopys that my husband made.. In my Tank Room are: 4 - 55 gal,, 2 - 75 gal, 3 - 29 gal, 1 - 15gal, 1- 20 gal.. the smaller tanks hold...