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  #1  
Old 08/22/2006, 06:05 PM
bbhs23 bbhs23 is offline
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Join Date: Jul 2005
Location: Lisle, IL
Posts: 76
Advantages/disadvantages of a tunze stream vs closed loop

I am in the process of planning my new 315g tank. The dimensions are going to be 84x36x24. I am trying to decide whether or not I should use a Tunze stream system or a closed loop. Can someone tell me what some of the advantages and disadvantages are to using either. I figured that after buying the closed loop pumps, drilling, and plumbing the tank, its not going to be that much more expensive to get the Tunzes. Also, the power consumption is a lot less with the Tunzes. Is there anything else that I should consider?
  #2  
Old 08/22/2006, 06:41 PM
theatrus theatrus is offline
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Location: Folsom, CA
Posts: 2,772
The main difference is the "powerheads in the tank" look. I.e., the Tunzes take up more space over a closed loop.
  #3  
Old 08/22/2006, 06:52 PM
GL GL is offline
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Join Date: Aug 2004
Location: NE Pa
Posts: 879
Tunze:

Much less power.
Variable flow patterns
Less heat? (Depending on closed loop pump)
Bulky in the tank
quiet

CL:
Noise? depending on pump and location
heat? again depending on pump
cleaner look w/drilled tank or creative plumbing
Cheaper
.
.
Cheaper
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  #4  
Old 08/22/2006, 06:52 PM
1SickReefer 1SickReefer is offline
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I think the main difference is power usage. Tunze draw a lot less power than CL pumps
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  #5  
Old 08/22/2006, 06:53 PM
1SickReefer 1SickReefer is offline
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Location: York, PA
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o yeah and price.. lol
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  #6  
Old 08/22/2006, 07:24 PM
sjm817 sjm817 is offline
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Join Date: Sep 2004
Location: Northern VA
Posts: 11,103
Tunze advantage
Low power usage
wide dispersed flow
controllable for wave action
No plumbing - no leaks
simple installation
quiet

Tunze disadvantage
Big pumps in the tank
Expensive
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  #7  
Old 08/22/2006, 09:55 PM
GL GL is offline
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Join Date: Aug 2004
Location: NE Pa
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Quote:
Originally posted by sjm817
Tunze advantage

No plumbing - no leaks

I didn't think of that..... excellent point ....
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  #8  
Old 08/22/2006, 10:20 PM
MJAnderson MJAnderson is offline
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Join Date: May 2006
Location: Cleveland, OH
Posts: 2,268
The idea of holes in my tank, no matter how well sealed, scares me. But I'm a bit of a "the tank is half empty not half full" kinda guy.
  #9  
Old 08/22/2006, 10:21 PM
sarduci sarduci is offline
Red Wizard is on a diet!
 
Join Date: Jul 2004
Location: Wausau, Wisconsin
Posts: 1,317
Check out the new IceCap pump.

Same idea as a Tunze pump, but it's magnetically coupled to the outside of the tank so little added heat, quite, no bulkheads to leak, less energy consumption, variable speeds, IceCap takes up less room than the Tunze.

Go to their forum on here and read up on it.
  #10  
Old 08/23/2006, 05:38 AM
dkh0331 dkh0331 is offline
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Join Date: Jan 2003
Location: Close to the edge, down by a river
Posts: 3,095
I have a couple of 6100's in my tank. I opted for the Tunze deco rocks. Eliminates the bulkiness look -




HTH

David
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  #11  
Old 08/23/2006, 09:00 AM
boz151 boz151 is offline
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Join Date: Jan 2005
Location: New Jersey
Posts: 122
IMO, I second the Vortech pump mentioned above. Roughly the same price as the Tunze and has great flow, plus less room taken up inside the tank. Great customer support too.
  #12  
Old 08/23/2006, 11:55 AM
MJAnderson MJAnderson is offline
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Join Date: May 2006
Location: Cleveland, OH
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I have heard that they still haven't worked out the manufacturing on those (the VorTechs) yet. Many people complained about the motor not working (which they replaced) but now the issue seems to be the bearings...they need to be replaced regularly. When I did some research on these, I decided to pass until they got this fixed, actually had production of a controller and had some way of directing the flow.

I would definately do some additional research before getting those. The Tunzes are a no-brainer since they are a well known product.
  #13  
Old 08/23/2006, 12:53 PM
boz151 boz151 is offline
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Join Date: Jan 2005
Location: New Jersey
Posts: 122
My experience with the Vortech has been good, however, I agree they are still working out the kinks as it were. They had drive shaft issue, which have been corrected (the motor issue you refer to) and now they are sending out new interior mounting pads to keep the inside unit from slowly spinning. Check out the Icecap thread for more info.

For my money, it's a pretty cool new pump and the kinks aren't that bad to deal with because their support is great.
  #14  
Old 08/23/2006, 04:47 PM
sjm817 sjm817 is offline
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Join Date: Sep 2004
Location: Northern VA
Posts: 11,103
The Vortech may be good in the future but right now....
Cant adjust direction
Cant adjust flow rate
No controller
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