150 gal tank build

[molotov]

Originally Posted by sphelps

He's clearly got two drains, one with a gate valve and the other as back up, basic herbie overflow. All is normal here

Looking good bud!

Thanks for the clairificaiton sphelps. So with the gate valve on the main drain, would his backup drain produce a very low flow as well? Hence the reason for the siphon pipe on the top and the gate valve?