If I were to throw some sand in with the rock in my sump would pods thrive and multiply.  Obviously what would be missing is Chaeto and a light source to actually have a refugium.
	
For what it's worth, I still see the occasional pod and I have not added any in the last six months.
				
			For what it's worth, I still see the occasional pod and I have not added any in the last six months.
 
	 
 
		 
 
		 
 
		 
 
		 
 
		