Sad to hear it.  Have you checked you mag levels.  When I first started with SPS I got return on my first bunch of pieces and couldn't identify the culprit until I finally checked that and it was way too low.  I've been using Tailored Aquatics Mag since then and don't have any complaints.  Of course I have completely different problems now...lol. 
		
	
		
		
		
		
			
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				Mark...
  
290g Peninsula Display, 425g total volume.  Setup Jan 2013.
			  
		
		
		
		
	
		
		
	
	
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