There is also a lot of wasted energy when it comes to using to many powerheads.

In a aquarium filled with sps or mixed reef - flow is critical.I am not talking about just multiple power heads going in all different directions 'blasting away' this is not as important as quality random flow. This is based on extensive research and others tanks as well as views TOTM threads (most who don't use them). I will keep everyone posted on the new wavebox. $332 which includes a controllable pump (i belive), controller, and box! Not bad you can always use the pump if you don't like the way. I feel tunze prices are actually some what reasonable now (if you look carefully). Along with that use my korlias on random throughout the day. I feel vortech are great but I rather have (1 mp-40 and 1 wavebox) than 2 mp-40s. While this is sufficient for LPS and Softies it's not for SPS. I bought a jbc oceanmotion wavemaker but all it is a timer/switch!! I can buy 2 timers from wal-mart and have them more random than simply altering power between 2 pumps. I feel for new hobbyist it's to easy to buy a product that simply says 'wavemaker' on it. I feel a wave box is the only device that can satisfy a mixed reef without being to over powering. I am about to order a tunze comline wavebox for my 120gallon mixed reef!! Anyways I went on various website to see customer reviews surprisingly no one has posted any comments.

Comline wavebox