Hi! I have a 125 gallon tank. It's cycled (readings 0 ammonia, 0 nitrite, somewhere between 10-15 nitrate). In the tank I have right now: 6 long finned rosy barbs, 5 peppered cory cats, 4 kuhli loaches, 5 australian rainbow fish, 10 glowlight tetras, 3 dalmatian mollies, 5 platys, a common...