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			 The light system that comes with the Cad39G sits on legs which in turn rest on the side glass of the aquarium. 
		
	
		
		
		
		
			The space between the lights and the top of the aquarium glass is only about 4". That means that any maintenance or even minor adjustments of the inhabitants has to be done after removing the entire light system. This is getting to be a bit of a pain. The lighting unit is also deisgned to hang from the ceiling. This "pulley" system is available to allow adjustment of height apparently similar to how venetiaon blinds work. Has anyone tried this system or developed something similar? ![]() 
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	CadLights 39G Signature Series Started April, 2008  | 
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			#2  
			
			
			
			
			
		 
		
		
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			 bump 
		
	
		
		
		
		
			
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	CadLights 39G Signature Series Started April, 2008  | 
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			 i have seen a lot of people with the pulley system. ya dude and morph both use it so that replacing bulbs does not stress or burn coral 
		
	
		
		
		
		
		
	
		
		
	
	
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			 I just picked one up for my light will let you know. 
		
	
		
		
		
		
			
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	150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.  | 
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			 Did you pick up the version sold by OA or a different make?   
		
	
		
		
		
		
			My lights are approximately 20lbs and the system sold by OA is rated at 22lbs. I'd like to find a system rated at a higher weight just to be on the safe side. 
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	CadLights 39G Signature Series Started April, 2008  | 
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			 Im running a set on my Teklights.  From JL   Works great.  I run my lights low on tank,  so I oift them for feeding and other husbandry duties.  Love them little pulleys 
		
	
		
		
		
		
			
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	Dan Pesonen Umm, a tank or 5  | 
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			#7  
			
			
			
			
			
		 
		
		
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			 What is the weight of your lights? 
		
	
		
		
		
		
			
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	CadLights 39G Signature Series Started April, 2008  | 
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			#8  
			
			
			
			
			
		 
		
		
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			 Not that heavy though.  its the 96w  4 bulb 24" 
		
	
		
		
		
		
			
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	Dan Pesonen Umm, a tank or 5  | 
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			 Quote: 
	
 My only concern is the thread melting as the light gets pretty hot. I think I will put in a bit of chain just in case. 
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	150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.  | 
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			 Quote: 
	
 
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	Mark... ![]() 290g Peninsula Display, 425g total volume. Setup Jan 2013.  |