what i did was rinsh half the sand in water really well.  
then i put the rest in the tank.  
added saltwater and used a power head to mix the sand really well. then my skimmer cleaned the the water. waited a couple of days for the water to clear up and added LR in the tank.  
so far the sand looks really good. small cyano bloom. 
		
	
		
		
		
		
		
	
		
		
	
	
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