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			 Hey everybody. It seems one of the ballasts on my 2x96 watt PC fixture has had the biscuit. I have a 250 watt MH retrofit kit that I can put in it's place. How should I go about aclimating the critters to the change in lights? I should mention the tank is a 33 gallon. Thanks for your time. 
		
	
		
		
		
		
			Scott 
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	"It's evil, it's diabolical, it's LEMON scented!!!!!"  | 
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			#2  
			
			
			
			
			
		 
		
		
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			 I used multiple layers of "screen door" screen I started 8 thick and took a layer off every 5 days slowly increasing the intensity of the light entering the tank.... worked for me going from 260W PC (130W actinic/10K) to 760W MH and PC (500W DE MH at 10K and 260W actinic PC) 
		
	
		
		
		
		
		
	
		
		
	
	
	JME other have decreased their photo period with MH there was a thread just recently http://www.canreef.com/phpBB2/viewtopic.php?t=17644 There it is HTH  | 
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			#3  
			
			
			
			
			
		 
		
		
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			 I agree with Vanreefer, but I don't think you have to wait 5 days between screen removale. I read that you can remove one every other day. 
		
	
		
		
		
		
			
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	Marty 50g reef, bubble king skimmer,20g sump,zeovit system, PM cal reactor  |