Mag 7 for in tank flow???

Northern Sensei · 01/21/2011, 11:06 AM

Hello to everyone reading this...as the title says i am wondeirng if i can use a mag 7 pump for additional water flow in my tank?
I have a 220g that is 6ft long and 30 inches tall, i am currently running 3 k4's which i know is not enough flow in the tank.
I would love to get the Tunze wavebox or some vertex mp40's but right now it's just not in the budget, so a friend gave me a mag 7 pump and i am wondering if i could use it.
Right now i have all the k4's on the right side of the tank.

Is this a good idea?
IF it is where should i place it in the tank?

Thanks for the help guys!

frankpayne32 · 01/21/2011, 11:44 AM

The mag 7 is really only good as a return pump not a circulation pump. It will put out less flow and use more electricity than one of your k4's.

Beaun · 01/21/2011, 12:00 PM

I agree, they are not designed for that purpose, there are much better, more efficient, alternatives.

Blitzburggirl · 01/21/2011, 01:43 PM

I used a Quiet one pump, with some locline nozzles for direction, dropped behind the live rock in my 180 for about a year before I got my mp40's. Worked like a charm. Just remember, if you have nems, be careful!!! And also fish could get sucked in. I had mine with a rock wall protecting the fish

Yes, there are better more efficient alternatives... but, yes, it will work just fine

m2434 · 01/21/2011, 02:06 PM

A mag 7 moves about 700gph and uses 70 Watts. At .12 per kw/hr that's $6 per month. The Hydor Koralia 750gph Evolution as an example, uses 4.5 Watts and at .12 kw/hr, that's 39 cents per month. So, you'd be spending an extra $5.61 a month on electricity for a big bulky pump with a much narrower flow pattern... There are certainly plenty of people that seem to be in this hobby to spend their money, but myself, I'd stick with the powerhead. Powerheads are always more efficient at circulating water.

jp634 · 01/21/2011, 03:57 PM

add a power head or 2 the pump will not give you what you need

01/21/2011, 11:06 AM	#1
Northern Sensei Registered Member Join Date: May 2010 Location: Sudbury, Canada Posts: 45	Mag 7 for in tank flow??? Hello to everyone reading this...as the title says i am wondeirng if i can use a mag 7 pump for additional water flow in my tank? I have a 220g that is 6ft long and 30 inches tall, i am currently running 3 k4's which i know is not enough flow in the tank. I would love to get the Tunze wavebox or some vertex mp40's but right now it's just not in the budget, so a friend gave me a mag 7 pump and i am wondering if i could use it. Right now i have all the k4's on the right side of the tank. Is this a good idea? IF it is where should i place it in the tank? Thanks for the help guys!

01/21/2011, 11:44 AM	#2
frankpayne32 Registered Member Join Date: May 2008 Location: Pennsylvania Posts: 1,177	The mag 7 is really only good as a return pump not a circulation pump. It will put out less flow and use more electricity than one of your k4's. __________________ Frank Payne Advice to new hobbyists: listen to people that have a tank you would like to have one day, not to those with a high post count. Current Tank Info: 125 gallon in-wall (build thread is my homepage).

01/21/2011, 12:00 PM	#3
Beaun It's pronounced Bone Join Date: Jan 2009 Location: East Hampton, NY Posts: 1,967	I agree, they are not designed for that purpose, there are much better, more efficient, alternatives. __________________ -Tyler "The only legitimate use of a computer is to play games." -Eugene Jarvis Current Tank Info: None

01/21/2011, 02:06 PM	#5
m2434 Registered Member Join Date: Jan 2004 Posts: 2,171	A mag 7 moves about 700gph and uses 70 Watts. At .12 per kw/hr that's $6 per month. The Hydor Koralia 750gph Evolution as an example, uses 4.5 Watts and at .12 kw/hr, that's 39 cents per month. So, you'd be spending an extra $5.61 a month on electricity for a big bulky pump with a much narrower flow pattern... There are certainly plenty of people that seem to be in this hobby to spend their money, but myself, I'd stick with the powerhead. Powerheads are always more efficient at circulating water. __________________ Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which are there. ~Richard Feynman

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01/21/2011, 01:43 PM	#4
Blitzburggirl Registered Member Join Date: Mar 2008 Location: Fayetteville, NC Posts: 397	I used a Quiet one pump, with some locline nozzles for direction, dropped behind the live rock in my 180 for about a year before I got my mp40's. Worked like a charm. Just remember, if you have nems, be careful!!! And also fish could get sucked in. I had mine with a rock wall protecting the fish Yes, there are better more efficient alternatives... but, yes, it will work just fine

01/21/2011, 03:57 PM	#6
jp634 Registered Member Join Date: Oct 2006 Location: wyoming Posts: 234	add a power head or 2 the pump will not give you what you need