colander with a paint strainer under. gets about everything.
you say they are clogging the drain on the uncapping tank. don't you have a rack above the drain to catch most of the stuff before it can get down there a clog things? if not, you may have to devise something that will hold the capping back but let the honey drain.
i know i'm breaking your posting instructions but i want to be sure that we are understanding you....+ i don't take instruction well