My elongated xenia has become a bit too vigorous and I need to take some out. Some of the rocks they are attached to are ones I can't take out of the tank. If I use a razor blade to cut them off...how can I assure they won't grow back from the base?
	
Thanks,
	
John
				
			Thanks,
John
 
	
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		