What i would do is bring it back up to 400 and test again in another day. if the CAl is downing that fast then youwill to get the reactor pumping more CAl Im not a Reactor expert may be Steveo,Tony, Doug, Snappy, Niloc, can explain it betterIm not that great at it...good work otherwise 
 
try this out its takes you through a reactor set up .  HTH
 
 http://home.comcast.net/~jdieck1/reactor.html 
		
	
		
		
		
		
			
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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.
			 
		
		
		
		
		
						  
				
				Last edited by Skimmerking; 02-21-2008 at 10:32 PM.
				
				
			
		
		
	
		
		
	
	
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