calcium reactor
			 
			 
			
		
		
		
		Hi Victor, 
 
The MJ 900 you are using, is it been run as a external pump not submerged? Is this possible? I thought these powerheads needs to be submerged in water for them to work? The plan for a purifier type reactor suggest using a mag three.  Thanks!! 
		
	
		
		
		
		
		
	
		
		
	
	
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