Good idea! The mags were bought used so maybe it is really the impellers that need to be changed... I am going to try out to change the impeler instead of buying this OR pump... Considering I have to get the OR pump from our US friends and pay the extras$$$$ in taxes, customs, over priced shippings ...  
 
Thanks. 
		
	
		
		
		
		
		
	
		
		
	
	
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