I'm running it. Works like a charm. I go out of town most of the weekends so I needed a controller to automate things while I'm out. I would say the reefkeeper got me through the heatwave in Cali. You can set the fans/chiller to turn on at a specific temp and also shut off the lights if it exceeds a certain temp. It you opt for the PH controller, you can use that in conjunction with a electric solenoid to control the CA reactor. It also comes with a wavemaker that supports up to 3 pumps tha can cycle between each other. I use the night mode to simulate the calmness of the ocean during the late part of the evening. I've also noticed since my pumps are aggitating the surface, my HOB skimmer skims better in this mode. I hope this helps as far as comments go.