Auto feeder in sump?

[soapy]

My perfect setup would have a frag tank or refuge in the fish room above the level of the display and the overflow would feed downhill into the display. So you would just feed the frags or the overflow and it would just flow out into the display. One pump to move water through two tanks. In the Frag tank you could have a big powerhead on a switch to blast the tank clear of debris after feed time.