Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
dtdiver:i analyze when i pick up the tanks at the shop
and then before i use the tanks, and then periodically if i do not use the tanks.
for $100 you can buy an O2 analyzer
pretty cheap for the peace of mind knowing exactly what you're breathing.
dave
stever2002:My LDS will hand me one of their sensors, point me to a bottle of air to calibrate and then check the nitrox mix myself. They won't let me leave until *I* check it, document the MOD and sign for it.
...steve...
fisherdvm:Do you test every nitrox tank you use, or do you just trust the supplier?