Hello and good day to all members of AquariaCentral, my name is Leslie and I am new to this site. I currently have 3 aquariums running, a 55gal with tiger barbs, rosy barbs, rainbowfish, gourami, 1 redtail black shark, 1 bala shark and 2 angelfish. I also have a 20gal long with 9 platties and...