Hello Teuton
Any rads we sell are pre cleaned how ever you can use a blitz basic kit https://www.overclockers.co.uk/showproduct.php?prodid=WC-104-MH if you wish but its not relay needed, just a flush though with warm water.
	
		
			
		
		
	
				
			Any rads we sell are pre cleaned how ever you can use a blitz basic kit https://www.overclockers.co.uk/showproduct.php?prodid=WC-104-MH if you wish but its not relay needed, just a flush though with warm water.
 
	 
  
 
		 
 
		 
 
		 
 
		

 
	 
 
		 
	 
	 
	 
	 
	