Okay so I got a Red Sea skimmer two or three weeks ago. I've ran it on and off because I didn't want to run it that early. Now I have nitrates so I'm trying to remove them. I've just finished the cycle but I can't tune my Red Sea prizm skimmer. It only has one valve that allows more water flow. I have tried to move it to get skim but all I get is water... What am I doing wrong??? I can't ever get skimmers to work. I want to cry!
Where am I supposed to put the bubbles?!
Where am I supposed to put the bubbles?!


