I kind of agree with this - just because you've seen setups like this doesn't mean its the right thing to do and maintaining good water quality is harder the smaller the tank is - toxins can build up quickly & kill those shrimp. You would need to test your water very often.
Originally Posted by ~firefly~
46 gal fw tank with black skirt tetras, neon tetras, spotted corys, green corys, 1 guppy, cherry barbs, otoclinus, snails & 4 amano shrimp - plastic & live plants
5 gal QT with green corys & 2 guppies