I was wondering if anyone can help me with my Co2 Regulator. I have a Milwaulkee unit for my Calcium reactor and it just starting to give me problems. I first started to notice that there was no co2 flow and 1st though it was the check valve but I bypassed it and still no flow. When I turn up the needle valve I get flow but then it gradually slows down and eventually stops. I have a full bottle and I replaced all hoses and cleaned the PH probe but still no flow.