A pair (or Quad) of powerheads on a wavetimer would be doable. I'm going to order a SQWD (1") and plumb it in. Wish I could afford an OM 4 way.
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"Earth, our Water Planet, is the only planet in our solar system to be endowed with appreciable quantities of liquid water. Life, born in the water, must be at least as rare as water in the Universe, and as such must be revered, under any of it's forms, as a Miracle."
I personally like seios for tanks about 75 to 120 gallons, the 1500's and 1100's, though no real wave timer for the $. Tunzes seem awesome on larger tanks. If I had a 90 or 75 I would look at possibly one tunze with a closed loop fed via a sequence dart to an OM 4 way or if on the mega cheap 3 seios/maxi jets modded. I have been working on modding my seio 1500's and have some extra nedryodum "spelling" magents I am looking to get rid of which would be perfect for the smaller seio/maxi jet.
Hey guys have another question for the masses here, how important is random water flow for acropora? If it is important what is the easiest and most cost effiencent way to try to reproduce wave and such?