Using live cured rock rubble as a substrate instead of sand??

[apac]

I have a nano tank. At one corner I have pile of cured live rock rubble. Lots of my inhabitants seem to love hanging out there. Either for protection / camouflage, or to have a good rummage for food.
It has occurred to me that maybe a full substrate of live cured rock rubble would have huge benefits for getting a tank up and running, and also lesson the effects of sand being blasted by low down Powerheads. Detritus could be swirled up off the glass bottom with a siphon tube and would be less likely to get trapped as it does in sand.
Anyone tried this on a mixed reef tank?

 

[Subsea]

Accumulating detritus in a small corner to feed the microbial loop is one thing; covering bare bottom tank into rubble substrate is a detritus sink.

@apac
I don’t agree with this assumption:

“Detritus could be swirled up off the glass bottom with a siphon tube and would be less likely to get trapped as it does in sand.”

 

[apac]

Maybe it depends how thin or thick the substrate layer is, and how big or small the pieces of rubble are. No? Or maybe I just stick to a corner of the tank