I run 2 on  MAG18 it give great current and flow on my 130 but as said wendel they have to much restriction for a big pump like a those  hope they will come with a bigger version for bigger tank  
 
but Im happy of them so far they are a lot beter than my 4 maxijet 1200  
on a have maker and the best part is I dont have aniting inside the tank  
only the intake of the mag and four output every plumping  is in the canopy and there is no hole in the tank for the closed loop  
 
I will try them on a mak 4 to see if any difference 
 
My conclusion they are a great buy and can't be beat for the price I have look on mostly everiting and my second choice would have be a tunzestream but I realy dont want to have that big ting inside the tank  
same for the reeftec 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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