Mag18 too much for a 180gal AGA RR tank?

I am upgrading to a 180gal reef ready all-glass aquarium w/ dual overflows and trying to figure out what equipment to use and what not.. Do you think a mag18 would be too much for this setup?

 

That will be fine. I'm sure you have a valve to control outflow. I have a PanWorld 150 at 1200GPH with only one 1" Overflow. I have to close the valve some. So I'm sure a Mag18 would be good for Dual overflow.

 

Its the perefect size I have a 125 now back in Va running now 10 or 12 yrs with a mag 1800 for the main pump and I also fed the skimmer with it , A Berlin X-L skimmer

 

cool, thanks.
what I am hoping for, is instead of using the regular single return with split locline nozzles, I will extend with pvc around to the front of the tank so I can put nozzles at the normal place, on the sides and in the front facing back, without people being able to see it. I hopefully the mag 18 will be able to push to all of these nozzles

 

Maybe I'm misunderstanding but if you're intending to use only your return pump for all of the flow in the tank you are probably falling a little short of what a lot of people have for flow in their tanks.

It's pretty common to use only 5-10 times the tank volume just through the return pump and then add another 20x-40x the tank volume in turnover with powerheads. Depending on what type of coral you're intending to keep of course.

Overall 30x-40x turnover is the minimum that I would consider for a tank that could keep almost any coral. You can go lower and higher of course depending on your setup but somewhere in that range I think it a good balance.

So basically I would aim for 5000gph + in total flow amount in the tank, with the mag 18 after head loss you're looking at less than 1800 gph.

If you want to keep powerheads out of the tank then you're looking at more of a closed loop system. It doesn't necessarily need to be drilled through the tank but it uses one pump (separate from the return pump, totally different utilisation) to intake water directly from the display tank and then spray it out through multiple nozzles.
Melevsreef.com - Closed Loop

 

If your planning on using the Magdrive 18 as the only return and have a couple of PH inside the DT for flow, I dont see a problem. But if your plan is to use the Mag-18 in a "multiple" use, I think its going to fall short. I use a Mag-18 on my 90g DT without any other pump(except for the skimmer) and the flow is just right. If I were in your shoes, I would do some more research before buying anything. Just remember one thing, everybodies system is different, what works for you, might not work for me, and visa-versa. Good luck and keep us posted.


[SCROLL]Luna;D[/SCROLL]

 

no, the Mag18 will be strictly for the return.. the skimmer will have its own pump ( although may be fed from the overflow) and I will have multiple powerheads in the tank. I know that this will not be my "everything" pump. the multiple nozzles were just going to be so I can direct some of the flow from the return, not to be my primary source of movement. I basically just wanted to know if the 2 mega overflows in my tank will handle the output of the mag18. hope this clears it up..

 

I have only one corner mega-flow and its just fine with the Mag-18. Now that I think about it a little better, I think that the Mag18 just might fall short in your application.

Luna

 

so I was thinking about going down to a mag12 or an eheim 1262..
the eheim would be a good choice for power consumption but it isnt too high in flow.. do you think I would be able to use a SCWD on this and not lose too much pressure? If so then I might go to mag12 unless it restricts it that much where I would need a mag18....
confused.. lol

 

You def need at LEAST a mag 18, i use a reeflo and my gph is about 3500gph bc of the ten feet of head and i wish i had more