I also have 3 Tunze nano streams and all are being held together with supper glue and zap straps. I wouldnt recomend them to anyone. But they do put out the flow.
I have 2 of the korilia 4's and they work real good but the down side to them is the magnet is rather weak.
Third option now is a Maxi Jet 1200. By far the best out of the three if you get the mod from J&L (rated at 1600 gph) or the mod that Chen brought in that puts out 2500gph. I have both and the 2500 is the best flow I have ever gotten from these small type power heads. I have Tunze 6101's and this 2500 is real close to those in power. This is a $25 mod to a MJ...less money and a lot more flow than the nano streams or the hydors.
Scott
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