Here are two of the ones I made. Making more tonight hopefully. But anyways I fill my food hoppers once a week and it seems to last a tad longer then a week.
http://i711.photobucket.com/albums/w...acks/001-1.jpg
http://i711.photobucket.com/albums/w...atRacks001.jpg
The second one also has a water system now this picture is old.