I have 2 seio 800 in my 90 I have not had any problems restarting
2 plus years, yes they do chatter when they restart
I have a mixed tank, flow is good
If you are going for SPS use the 1200 or 2600
I had 2 1200 in my 90 when I first set it up, blew the sand around abit
Probably should have kept them
Make or buy the magnet holders the suction cups didn’t do well for me
The maxi streams would be a good alterative
The controller is here, in limited numbers, they sold out real quick
Here is the link to the thread on RC
Ken
http://www.reefcentral.com/forums/showthread.php?s=&threadid=808929&perpage=25&pagenumber=24