Eggcrate Under Sand ?

[DiverDude]

Originally Posted by Aquattro

It is not needed to relieve stress from rocks.

So do you put the rocks on the bare glass and then add sand or put sand and lay the rock on the sand ?

I figure the latter would remove the need for the eggcrate in the first place but I'm concerned that sand dwellers could undermine the rock structures and cause collapses...