drain help

Hi guys! I recently bought a new tank, now I’ve been working on plumbing it for a couple days and it’s almost done! Just came across some concerns I noticed my overflow box has water intels above and below (like the drawing I attached) so I’m concerned that my main water drain PVC will drain a...

Hi guys! In the past few days, I've been working on plumbing a new reef tank I bought, I chose the Herbie overflow method, so I placed my main drain pipe about 5 inches below the emergency one, so the problem is that my new tank comes with an internal overflow box that has water lintels above...

Hi All, Im planing to add a frag tank next to the sump in the basemant. The issue Im having is thet the sump is already on the table. And I cant make the frag too much higher. As you can see on the picture the frag would be 20"tall and sitting about 6"above the sump bottom. The sump is 17"tall...

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...