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			#1  
			
			
			
			
			
		 
		
		
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			 Looking at either a red dragon 5.3 mini atb flow star 1500 or Askoll/Laguna Max-Flo 1500 
		
	
		
		
		
		
			Any advice i need a quiet internal return pump with around 1500 gph flow. 
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	360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras 360 Reef Tank  | 
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			#2  
			
			
			
			
			
		 
		
		
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			 If you can settle for a little less flow, an Eheim 1262 is a great choice.  
		
	
		
		
		
		
		
	
		
		
	
	
	Otherwise, just get the max-flo and rip out the outer casing that they use for pond. Save the money it's basically a red dragon without the fancy price tag, the customed CNC volute and impeller. Or look into, i believe it's a MSX something 1500, it's a laguna max-flo 1500 with a custom volute and impeller. A little more flow than a stock laguna 1500.  | 
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			#3  
			
			
			
			
			
		 
		
		
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			 I use the flowstar in my tank (5' head, 3/4" return) and can't hear it over the BKmini180 in my sump.  By itself I can barely hear it with the doors off the stand.  It runs a manifold (2 phosban reactors) and I still have to throttle it back. 
		
	
		
		
		
		
			
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	Spontaneously Purchased Scleractinian anonymous  | 
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			#4  
			
			
			
			
			
		 
		
		
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			 Why not go for a Mag18 or lower model if less flow is needed. 
		
	
		
		
		
		
			I personally use a Mag18, and I can't hear it. I have to put my ear right to the sump glass to slightly hear a very low hum. I would say it is whisper quiet for me. Great pump for the price. 
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	![]() Setup: 180G DT, 105G Refuge (approx. 300lbs LR, 150lbs Aragonite) Hardware: Super Reef Octopus SSS-3000, Tunze ATO, Mag 18 return, 2x MP40W, 2X Koralia 4's Wavemaker Lighting: 5ft Hamilton Belize Sun (2x250W MH, 2X80W T5HO) Type of Aquarium: mixed reef (SPS & LPS) with fish Dosing: Mg, Ca, Alk  | 
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