midnghtrider79":b5ylz289 said:Depending on the size of the colony, take a container like a dish pan you can get for cheap and drill lots of holes in the bottom of it. You need to use a 9/64 drill bit for the holes. I'm pretty sure that's what I used. Place the roaches in the pan and sift back and forth. The poop falls out through the holes but the roaches do not. Quick and simple.