Hi everyone, I have a 30 gallon tank that's been set up with fish in it for about a year now. At the moment I have x1 3"Red Leopard Sailfin Pleco, x3 lyretail mollies, x3 platys, x2 2" senegal bichir, and x1 fire red zebra danio. I also have a second 15 gallon tank set up for 7 months, with 5...