Helping burrowing fish

[keddre]

What do you, or would you, add to your tank when your burrowing fish used up all their existing rubble?

 

[Maritimer]

More rubble, maybe some shells . . .

~Bruce

 

[eatbreakfast]

Agreed. Hermit shells, larger shell fragments, broken coral skeletons, etc.

 

[keddre]

Alright, thanks. I always was confused on what articles meant about "rubble"