fuge flow

I am in the process of setting up a new 125g display tank with a three drain Herbie overflow from Modular Marine. I have my primary drain flowing to my fleece roller and the emergency drain dropping directly into my pump chamber with and air gap so I will hear audible splashing and see bubbles...

Hello everyone! I recently set up a tank (within the past couple months) and have been trying to determine what an ideal flow rate is for my refugium section. A little background... I have a 150 gallon display tank with a 13 gallon refugium, and about 15-18 gallons of additional water in the...