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			 Where my rock was a nice purple it has turned bright white at the highest point of the rock as if it was splashed with bleach. 
		
	
		
		
		
		
			Any Ideas?? Ph 8 Temp 79 Ni 0 Na 0 Amm 0 
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	Murray I reserve the right to hijack any thread I want to!! My carbon footprint is bigger than your carbon footprint !!!!  | 
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			#2  
			
			
			
			
			
		 
		
		
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			 New tank ? ... new lights ? ... new rock ? 
		
	
		
		
		
		
			
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	Steve “The most important decision you make is to be in a good mood.” ― Voltaire  | 
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			#3  
			
			
			
			
			
		 
		
		
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			 yes....yes....no 
		
	
		
		
		
		
			
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	Murray I reserve the right to hijack any thread I want to!! My carbon footprint is bigger than your carbon footprint !!!!  | 
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			#4  
			
			
			
			
			
		 
		
		
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			 What do you have for lighting..?? 
		
	
		
		
		
		
		
	
		
		
	
	
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			#5  
			
			
			
			
			
		 
		
		
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			 Probably just bleached from the new lights ... what type of lights/bulbs are they ? 
		
	
		
		
		
		
			
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	Steve “The most important decision you make is to be in a good mood.” ― Voltaire  | 
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			#6  
			
			
			
			
			
		 
		
		
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			 coralife 2 X 65w 10k 24" 
		
	
		
		
		
		
			
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	Murray I reserve the right to hijack any thread I want to!! My carbon footprint is bigger than your carbon footprint !!!!  | 
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			#7  
			
			
			
			
			
		 
		
		
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			 has your water level dropped in the tank? 
		
	
		
		
		
		
		
	
		
		
	
	
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			#8  
			
			
			
			
			
		 
		
		
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			 ummm....yeah everyday I add about a gallon every 3 days...it has never come close to dropping to the level of the rocks... if thats where your going 
		
	
		
		
		
		
			
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	Murray I reserve the right to hijack any thread I want to!! My carbon footprint is bigger than your carbon footprint !!!!  | 
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			#9  
			
			
			
			
			
		 
		
		
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			 Any hermit crabs?  Mine always seem to feast on coraline algae.  
		
	
		
		
		
		
			
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	If you see it, can take care of it, better get it or put it on hold. Otherwise, it'll be gone & you'll regret it!  | 
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			#10  
			
			
			
			
			
		 
		
		
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			 IMO its the new lights. I just upgraded my lighting and noticed some coraline loss on some rocks, aswell as some mild bleaching of corals. It should grow back in time. If I was smart I would have reduced my photo period, and over time gradually increased it again rather than subject everything in my tank to such intense lighting all at once.   
		
	
		
		
		
		
			
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	THE BARQUARIUM: 55 gallon cube - 50 lbs LR - ASM G3 skimmer - 30 Gallon sump - 22 Gallon refugium / frag tank - 4x 24 watt HO T5's - Mag 9.5 return - Pin Point PH monitor - 400 watt XM 20K MH in Lumenarc reflector - Dual stage GFO/NO3 media reactor - 6 stage RODI auto top up -Wavemaster Pro running 3 Koralia 2's. Fully stocked with fish, corals and usually some fine scotch http://www.canreef.com/vbulletin/showthread.php?t=55041  |