The best thingto do is to stop the reactor until you get your ALk down it will come down the natural way.  Then once it gets to the desired level you can start it up at when you want the level to be achieved again. 
  
hope this helps 
  
mike 
		
	
		
		
		
		
			
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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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