this is what i run on my 75s.. all my tanks are crystal clear. the 2nd tank is currently growing out smaller cichlids.. all less than 3 inches
#1 emp 400, 2x emp 200
#2 AC 110
#3 AC 110 ehiem 2213 (not sure if thats exact model)
#1 emp 400, 2x emp 200
#2 AC 110
#3 AC 110 ehiem 2213 (not sure if thats exact model)