Anyone have any experiance with the reef octopus nwb-150?... I really need some help... It says the water lever should b from 6 to 10 inches and the return outlet is not to be covered but the return outlet is at 8"... My sump chamber is at 11 inches and i cant raise it cus i dont have room under my stand it bearly fits.. My question is insted of raising the skimer can i jut raise the return outlet?.. And will i have any probs if i do?... Thanks