looks like the canopy is made of tin or aluminum and the MH fans are mounted inside so I'm thinking of buying a T5 ballast 2x54watt drill out a hole and mount my dual 4' actinics.  I figure since the plastic on the fans aren't melting the ballasts should be fine. 
		
	
		
		
		
		
		
	
		
		
	
	
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