Well if it helps, I got this one at J&L's.  I believe that they told me that it actually came from someone else's tank.  At first it started to brown up on me and I thought that it was my lighting, then I found out that the previous owner had the same lighting I did.  I ended up rotating the cap around a bit and it came right back to a bright green! 
 
All my other SPS are small frags, this was my one big splurge about 3 months ago! 
		
	
		
		
		
		
		
	
		
		
	
	
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