Personally, I'm not sold on hands down benefit of control ability when it comes to powerheads. As long as you have alternating flow, I think the livestock will be happy. I've seen some great looking successful tanks that didn't use a controllable powerhead, just an old fashioned pump combined with rock solid chemistry. Folks these days seem all wrapped up in the equipment rather then chemistry, which after all, is the No. 1 component of happy livestock.
My $0.02, pick whichever one you like better....and focus your brainpower and elbow grease on maintaining rock solid parameters as mother nature would do.
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Fill your tank with $5 bills, add gasoline and light it on fire.....only then will you know the real cost of reefing.
Current Tank Info: 180 Mixed Reef
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