Which VHO ballast?? Help
			 
			 
			
		
		
		
		is there a workhorse that will run 6' bulbs? 
 
i already have 2 40W NO actinics running on my tank now, can i just swap out the NO ballast for a WH7 and use the existing wiring and endcaps to overrun the bulbs that i am currently using? 
 
adding stronger actinics was last on my list of things to do, but if i can just swap out a $55 ballast and get near VHO output from cheap actinics, then that would be cool. 
 
thanks for the input, much appreciated. 
		
	
		
		
		
		
		
	
		
		
	
	
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