Hello, My Gf just bought me 2 discus which i love but what iv'e notice is that they are more active at night then in the morning is that normal?? i have a 55 or 60 g tank the dimensions are 48Lx15Wx17H. Im trying to buy two more discus. i also have 10 tetras and 3 rams . i feed the discus BW i put them in a feeder (its a cone) and feed the other fish a small portions of flakes is that okay?? i wish i can upload a picture but it doesnt let me. .. is there a special way to upload pics??