well take them out and have a tub connected to the sump and leave the rocks in total darkness..  that is a great idea.  may be its your lights causign a bloom.  what are you running for lights?  Were the lights the same ones from the other tank?  did this happen from the swap? 
		
	
		
		
		
		
			
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				180 starfire front, LPS, millipora  
Doesn't matter how much you have been reading until you take the plunge.  
You don't know as much as you think.
			 
		
		
		
		
	
		
		
	
	
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