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			 Our ocean waterhas slightly less specific gravity as well as potential toxins, including pollution, pathogens etc.  
		
	
		
		
		
		
			If you search this board you will find a couple of threads on the subject. But I like reef_rafs comment: ( apx) After spending thousands on a reef ,you want to save like 5 bucks a week on salt? and subject your reef to the hazards and variables of NSW???....... 
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	John its all about quality, not quantity..... ...when in doubt buy a Binford....  |