SUMP/REFUGIUM USING BINS?

[Zero]

right now im not using a sump, i have a penguin HOB but i doubt thats enough

[Zero]

I think the bulk heads and valves are a good idea, and as far as bubbles go they will be trapped in container 1, so wont go anywere.

the big advantage i see using this idea is i can use/store more live rock, and change design constantly if i need to, unlike having baffles siliconed in place.