How do you set up a lifereef overflow box?

[Stingray12]

I dont know how because i have only used a cpr overflow. Does any1 know how? Its the 1200 goh one.

Thanks and srry fir the noob question

 

[GatorEngineer]

i'm not familiar with the cpr overflow but what in particular are you having trouble with? did the lifereef not come with directions? there should be a small, clear air hose that you slide inside the u-tube and then suck in the air to start the water flowing. as long as your pump moves water back into the tank fast enough the u-tube should fill completely and then drain down to the sump.