Yes - places for the fish to hide from predators. 
 
Any thoughts on driftwood?
 
I like the milkcrate idea, especially since I can use it for dual purposes with the planter. But just wondering what else might work.
				
			Any thoughts on driftwood?
I like the milkcrate idea, especially since I can use it for dual purposes with the planter. But just wondering what else might work.
 
	 
	 
 
		 
 
		
 
	 
	 
	 
	 
	