I'm asking for assistance. I've tried contacting Sicce but I'm getting no response other than send an email which was over 2 weeks ago. I just installed two of these wifi pumps on my 150 gallon tank. I need assistance on how to unsync the pumps. I've been reading that you have to make a master and a slave. The app I downloaded does not have the option to unsync the pumps. Is there another ap somewhere that has that capability? I installed the return pump first then the air pumps.. Should I have installed the air pumps first to get the unsync option? I've spent all this money to get two air pumps working together. Needless to say I'm very frustrated.