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			 copper wont hurt plants, copper spray is a common pesticide, i would just throw it in my garden or lawn or compost or something. 
		
	
		
		
		
		
		
	
		
		
	
	
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			 cool thanks for the replies.  Sand and dirt together makes sense! 
		
	
		
		
		
		
		
	
		
		
	
	
	I don't understand how it'll help aerate the soil and increase drainage, but that's the impression i got on reefcentral (not really a gardening guy, so i don't keep many corals  |