Let me help you out then....go look at
http://www.digitalaquatics.com/index.php
I am getting the elite unit. This thing can do it all! It will even email you if one of your set paramaters are out of whack and/or have a audible alarm. You can hook water sensors to it for detecting leaks...and email you about it. Set a float switch at the top of your tank...and one of your drains gets cloged and the tank starts to overflow...hits the switch....turns the main pump off and emails you...then when the water levle drops (if the drain is slowly draining) the pump can come back on and cycle on and off like that untill you get home....so your tank doesnt sit not running. If your water temp gets above a set point it can turn on fans...if it gets even higher it can shut off your lights. Use float switches to run a top off system...like...have a RO unit in the garage...hook it to a float switch that keeps a 55gal garbage can full....put a pump in that garbagecan and run it to the main tank with a float switch in the main tank. Then you never have to top off the tank again. Controls lights fans pumps temp....everything!!! Take a gander at what it can do...look on the forum and read what people have made it do. I cant wait to get mine...reading about what it can do is cool...