• Why isn't my carbonation bottle cap properly closing the bottle?
• What can I do if I think my Quick Connect Cylinder is out of gas?
• How do I get my DUO to stop leaking water?
• What do I do if I hear the sound of leaking gas from my DUO?
• Why am I not getting enough carbonation with my DUO?
• Why is my DUO not carbonating?
• How do I know if I'm using the right cylinders and bottles with my DUO?
• Why won't my carbonating flask close or lock?
• Why won't my cylinder fit in the DUO?
• Can you help me remove the stuck back cover of my DUO?