I got a little bit of bubble algae that hitchhicked on some rock I bought... its pretty much stayed pretty constant ever since I stuck the rocks in my tank, never got more or less of it.  I even accidently popped one awhile back, but haven't noticed anything.  My tank temp stays at a constant 77 degrees in the summer and winter times. 
 
-Richer 
		
	
		
		
		
		
		
	
		
		
	
	
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