Well my bad then because I always thought that Reef Crystals was a Kent product - maybe because Kent and IO used to get manufactured in the same place. 
I was one of the (un)fortunate ones a few years back that got the bad IO salt and completely crashed both of my tanks so I will never use it again. 
Sorry for the confustion. 
For the record I use the Tropic Marin Pro salt and the Seachem Reef salt and am happy with both. 
		
	
		
		
		
		
		
	
		
		
	
	
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