I've got mine in a 115L container with Fluon on the lip.
The problem I've found is they're far too easy to neglect..
They're low maintenance, and I've found it's easy to forget to feed them, etc.
This shouldn't matter if you give them crushed up dog biscuits, etc.
The biggest issue is keeping them hydrated. I've been using carrot up until now.
I was thinking a container with a wet wick.. But might try buying some water crystals
from a pet shop.. Hopefully this will mean it won't matter to much if I get to give
them a water source.