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			#1  
			
			
			
			
			
		 
		
		
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			 Recently upgraded my tank lighting to 250 watt from 175. Had brand new XM 10k bulbs kicking around so I figured I'd put them to use. I tried to put both of them on but just wasn't able to make space. Once I re-do my plumbing I will add the second one.  
		
	
		
		
		
		
		
	
		
		
	
	
	![]() ![]() I should be able to grow Cheato a big faster now eh...  | 
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			#2  
			
			
			
			
			
		 
		
		
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			 well it will definitely grow faster, lol. But do you think the power consumption is worth it then going with a reg 60w bulb or something along those lines? 
		
	
		
		
		
		
			
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	- John - 3x20g Display Established June 08|Koralia nano, 1, 4|Euroreef Skimmer|250W MH retro kit|Mag 18 return|RODI 120g Display Established Jan 1, 09|Vortech MP40|Koralia 4|I-Tech 100 w Tunze 9410.04A|Aquactinics Constellation 7x54W|Mag 18 return|RODI  | 
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			#3  
			
			
			
			
			
		 
		
		
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			 i might do this with my 175W mh if I can't sell it!  LOL  No reflector eh? 
		
	
		
		
		
		
			
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	180G Office Reef. Started Sept 2012 http://www.canreef.com/vbulletin/showthread.php?t=88894 62G Starfire Reef. Started Jan 2013 http://www.canreef.com/vbulletin/showthread.php?t=89988  | 
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			#4  
			
			
			
			
			
		 
		
		
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			 May as well put some frags in there :P 
		
	
		
		
		
		
			
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	28g Nano Cube drilled with 13g sump in stock stand. Vertex IN80 Skimmer, Phosban 150 Reactor, Apex Controller, DIY LED with stock hood, dimmable Established March 2006  | 
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			#5  
			
			
			
			
			
		 
		
		
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			 might be a little overkill (I'm getting a good Chaeto crop from a 20g just with a 23W CF). 
		
	
		
		
		
		
		
	
		
		
	
	
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			#6  
			
			
			
			
			
		 
		
		
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			 Quote: 
	
 Most algae grows best in the 6500k range and lower. You might actually inhibit growth with that kind of lighting. Be a good place for frags though 
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	Setup Mar 2004 50g tank 23g DIY Acrylic Sump\Refugium Sold Dec 2009 ![]() Vacation Fun: http://members.shaw.ca/cabin54/  | 
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			#7  
			
			
			
			
			
		 
		
		
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			 Heh, I had a 10k Fresh Water Grow Light on there before. Tank has been running with Cheato since June and I have never pruned it. I'm gonna grow Xenia in there in the future as well. Lost my colony when my Nitrates spiked  
		
	
		
		
		
		
		
	
		
		
	
	
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			#8  
			
			
			
			
			
		 
		
		
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			 what about heat? 
		
	
		
		
		
		
		
	
		
		
	
	
	fuge light on all night then more heat in the day!  | 
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			#9  
			
			
			
			
			
		 
		
		
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			 I never really had a problem with heat. The hottest my tank has ever got was 82.5 and that was when it was +35 outside with MH on. After that I ran a room fan pointing at the sump with the stand doors open and it never went past 82 again.  
		
	
		
		
		
		
		
	
		
		
	
	
	It is in a small room though, so if needed I can add a small air conditioner to bring the temp down. Maybe I could even run that off my ACJr ![]()  | 
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			#10  
			
			
			
			
			
		 
		
		
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			 So after the first night, everything went well. I made some AWESOME tinfoil reflectors (real reflectors will happen someday). I did notice however that the pH dropped quite a bit. From 8.4 in the day to 8.1. Still more than acceptable, if not better, however it has never dropped so low overnight before. I would have thought it would have been the opposite. Any thoughts? 
		
	
		
		
		
		
		
	
		
		
	
	
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