return line question

[reefer_madness69420]

Background: Setting up a 110-gallon display tank with a 24-gallon sump. My pump is an Ecotech Vectra M2. I plan to tee off the pump for symmetrical return lines (3/4 inch) on both the right and left sides of the tank. The Vectra M2, at around 3.5 feet head, provides an estimated flow rate of 1600 GPH. My overflow's recommended flow rate is 1000 GPH.

• Equipment Setup: I'm considering running a UV inline off the left return line and carbon and GFO reactors off the right. I plan to control the flow of UV (and thus, the overall flow of the left return line) and reactors with valves. Plan to install flow sensors just before the return lines enter back into the display.

Question:

• The left return will likely run slower than the right due to the UV's flow requirements. Is this asymmetrical flow a significant issue?
• If not a concern, will the Vectra M2 provide sufficient flow?

Any advice or insights from those with similar setups would be greatly appreciated!

 

[Adamc13o3]

The M2 suffices for this setup. You will not have any issues using valves to slow down flow to the UV and or the other outputs if you need too. Since the pump is controllable you can start with everything wide open, tweak it using the controller and then the valves (so you aren't just using extra power).

 

[QuinnLee512]

Hi. Did you ever get this set up? I have the same question. I just bought a tank with dual return nozzles. The included return plumbing is a tee. I have a Cor20. I want to run a UV off one side of the tee. I'm going to install a gate valve to slow down the flow to the UV so the flow out of the 2 return nozzles will be different. Any issues?