Turkish Roaches: Separating Sizes, How to?

[Treesniffer]

I have too many Turkish Roaches in Rubbermaid Containers and need to separate the sizes for selling. Any ideas on how to do that?

[JeffreH]

Here's one way to go about it:
http://www.frogforum.net/food-feeder...phs-frass.html

You'll need to modify the hole sizes as first instar lats are TINY... but the general sorting method should work just fine.