I was planning on using my existing sand but doing a very thurogh cleaning of it before hand. I am now reconsidering this. 
What would you say the benefit is of using new sand rather than giving the old sand a heavy rinse and using it again? 
Anyone who can answer tis feel free. 
 
Also to the op, if you would like I will open a new thread with my questions so I am not hijacking yours. 
		
	
		
		
		
		
		
	
		
		
	
	
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