Max return rate for Megaflow on Oceanic tanks?

Jasonincuritiba · 10/13/2007, 03:15 PM

I have a 70 gallon Oceanic Tank with the Megaflow overflow, I was wondering what the highest gph it can handle? It says 600 gph, but I sure it could handle more. Right now I have a Rio 12HF which is good for about 750 @ 1ft.

flamenco-t · 10/13/2007, 03:59 PM

How high is your tank off the ground where the pump sits ? if it flows 750 at 1ft, I doubt you'll get anymore than 400 ft at normal 5" of vertical height.

stan

Jasonincuritiba · 10/13/2007, 10:40 PM

It probably has to go about 3ft.

Reef Sponger · 10/13/2007, 10:49 PM

I wouldn't max out your overflow, it will be extremely noisy. Rule of thumb is the return pump should turnover your display tank around 3x-5x. So, what you're looking for is around 250gph-350gph. A Mag5 will probably work well or tune down your rio with a ball valve.

10/13/2007, 03:15 PM	#1
Jasonincuritiba Registered Member Join Date: Jun 2005 Location: Vista, CA Posts: 240	Max return rate for Megaflow on Oceanic tanks? I have a 70 gallon Oceanic Tank with the Megaflow overflow, I was wondering what the highest gph it can handle? It says 600 gph, but I sure it could handle more. Right now I have a Rio 12HF which is good for about 750 @ 1ft.

10/13/2007, 03:59 PM	#2
flamenco-t Registered Member Join Date: Jul 2006 Location: Dallas-Ft Worth, TX Posts: 131	How high is your tank off the ground where the pump sits ? if it flows 750 at 1ft, I doubt you'll get anymore than 400 ft at normal 5" of vertical height. stan

10/13/2007, 10:40 PM	#3
Jasonincuritiba Registered Member Join Date: Jun 2005 Location: Vista, CA Posts: 240	It probably has to go about 3ft.

10/13/2007, 10:49 PM	#4
Reef Sponger Moved On Join Date: Mar 2007 Location: TX/USA Posts: 696	I wouldn't max out your overflow, it will be extremely noisy. Rule of thumb is the return pump should turnover your display tank around 3x-5x. So, what you're looking for is around 250gph-350gph. A Mag5 will probably work well or tune down your rio with a ball valve.