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			 Do you guys think a 6 bulb 54w ATI Powermodule T5 fixture would be enough light for a 90 gallon thats 4ft Long 2Ft High ?  For growing sps mainly? 
		
	
		
		
		
		
		
	
		
		
	
	
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			#2  
			
			
			
			
			
		 
		
		
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			 For comparison I have an 8-bulb T5 Tek-light over a 120, same depth and length but less width of a tank making the 8 bulbs roughly comparable to your 6 bulbs.  The Powermodule is said to put out more PAR than the Tek-light.  I can grow easy SPS (montis) on the bottom of my tank and haven't tried harder sps.  So I would say you could probably grow SPS with your system but probably not as well as an 8-bulb Powermodule or metal halides. 
		
	
		
		
		
		
			
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	120 gallon sps/anemones/LPS reef since 2004 Apex controller 8 x 54 watt T5 PowerModule Herbie's silent overflow system Jebao DC 12000 return pump Jecod CP-40 Cross-flow circulation device Mini Bubble King 180 Barr Aquatics calcium reactor Bucket fuge  | 
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			#3  
			
			
			
			
			
		 
		
		
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			 Sure you can.  There are many people that have great success with 6 bulb T5's and SPS  
		
	
		
		
		
		
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	- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2  | 
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