If you're going SPS, you don't have enough flow. I'd look at bigger return if your overflows can handle it, then inside, look at Tunze solutions (Streams, Wavebox, etc) or Vortecs. The koralias won't be enough.
The issue with SPS is that they require higher flow to purge slime build up, and their growth becomes very "spindley" without sufficient water movement.
Jaws has a couple of Stream 6060's posted for sale right now, I recall. I'd go with 6100's, but that drives the cost up.
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Brad
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