bro, mp40 has been quite successful in creating wave effect. Nevertheless, this was somehow seen in 4ft tank setup. not sure whether it will be powerful enough for 5 ft. If you are placing it at the 2.5 width....the effect may be too rapid to create turbulent. maybe you want to go iwarna to test it. For 6100 series....i think it can achieve but effect may not be that satisfactory(maybe that is the reason why they came out with wave box.....)......think is to use pulsing mode to create the wave effect....
any brother or sis here can share their experience...