So I don’t know how many of you guys have been following my cyano thread but I kind of posted an update in there. The day after I got this thing my power went out for 27 hours. Long story short I lost four of my six fish and pretty much all of my acropora. I do have a generator, I can’t really run it at night living in the suburbs and that led to all sorts of problems. I’m going to get some high temp hose and next time run it in the garage overnight with the hose on the exhaust going outside. I do also have a battery backup but before I could even get the generator going (four hours) I had lost two of the fish, I guess I did not have enough surface agitation from the remaining working powerhead. Very frustrating. So now I have hooked up a second powerhead on the backup.
Anyway, I am not ready to give up yet so I installed this thing yesterday. I’m not kidding if I had about 1/4-1/2” less room in three different dimensions, it wouldn’t have fit

. My skimmer cup just barely touches a brand new roll so I put it on 1/2” spacer to buy about 1/8” and when the roll moves a bit it will have more room.
Anyway it was only been running 24 hours now but it is a neat product. I set it up so the water level inside only has to raise about 3/4” to trip the float switch and because of that it is very quiet, near silent. You can hear it from 2-3 feet away with the doors open but stand back or close the doors and absolutely nothing. It only rolls a very small amount, about a 1/2 second of motor run each time which is maybe an inch of roll at the most.
So longevity of course is to be determined, but for now I am happy with the product for sure. Other than the L bracket coming apart in shipping which was a dead simple fix the build quality seems fine to good. For 2/3 or so the cost of other options in which the jury is still out on the long term reliability as well, it is not a bad choice in my eyes.
Edit - someone asked earlier about flow rate, I am not 100% sure I have never actually measured it but I should be in the 300 - 350 gph range. I have a Tunze 1073.02 with about four feet of head pressure.