I have an old 1.4 (either litre or gallon, can't remember) tank that i intend to start up again and add 1 or maybe even 2 shrimp into. Would it be OK with no substrate? the filter intakes are built into the ground, but shouldn't be too big for the shrimp, seeing as they are only around1.5-2 millimeters across. Anyway, the tank runs of a fake tap that runs water through the holes in the ground into a filter then out the nozzle into the tank. It might be a little strong for a shrimp though, but i could redirects its flow with some plastic or something. It has 1 plastic plant in it, which is really tiny. If you guys want pics, I'll get some. So, would it be worth it? Would the shrimp be happy?