Don't know if some of this has been stated .. .. .. Lazy to read all 6 pages.
I have four Jeboa products connected to my apex.
Very cool how you can adjust the intensity via your apex.
Beaware that Jeboa doesn't really support a warranty on these pumps, but at the prices you pay for them not really an issue.
I got one year out of my RW15 at a constant 100% intensity.
The return pumps are good buys as well. Hopefully more robust than the power heads. Have a brand new back up ready.
Are the power heads as good a quality as an Ecotech MP? No but a good value non the less.
Reason I purchased the power heads is for the fact that they are directional, cheap, adequate quality & can be slaved by my apex to run at any constant intensity or random flow at programmable times.
So when the Neptune auto feeder cycles, all power heads turn off. (Including mp ecotechs)
Interesting to watch the "Pavlov" affect on my fish.