Build a new sump for Refugium and UAS

[Milad]

hi guys
i'm gonna make a new sump, here is what i have in my mind :

i'll use 2 black sheet to prevent algae grow in first and last section and some sponge to prevent bubble go to Display tank.
please advice if need any change.

 

[Milad]

any advice ? :D

 

[lapin]

looks fine