calcium reactor
			 
			 
			
		
		
		
		Hi, 
 
Unlike many other powerheads, the Maxijets have an O-ring seal around the impeller housing and the powerhead electromagnet.  The o-ring prevents the powerhead from leaking and improves overall efficiency.  It also allows the powerheat to operate in a non-submersed operation.   Similar techniques are used on larger pumps such as Mags and Little Giants. 
 
The Maxijet was my choice because I wanted an inexpensive pump that I could through out every three years.  There is a lot of grit and calcium sand in the circulation path of thr reactor -- this tends to wear down the impeller...and sometimes entire powerhead.  This is the case for the cheaper Mags and Maxijets.  The Eheim pumps are...well...indestructable...so I would get that one instead.  You'll notice that many of the heavy duty reactors use Eheim..including Canreef's.  I think Mags are $60...so a $100 Eheim is a better investment. 
 
- Victor. 
		
	
		
		
		
		
		
	
		
		
	
	
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