When your CO2 tank nears empty ....

[kari]

Could an ambient temp change cause it?? Is your wife posting on another board wondering why the bubble count seems to be going up every morning
My valve is so sensitive that I have to hold my breathe when I adjust it. Also difficult to get the bpm when its over 100.

Tony, (I really don't want to say this and don't know how phrase it better but ) have you tried tightening the two nuts behind the knob. Ya, laugh it up!