my crab set-up

[nomaddan]

Front of tank

 

[nomaddan]

Left side

 

[nomaddan]

crab

 

[nomaddan]

waste problem

 

[DannyBoy17]

That's a great set up. I think you have have a lot of different defined territories for the crabs, and that keeps them from fighting aswell.

 

[canarsie11]

Interesting