Scuba Forum > Scuba Tanks with EAN 40 compared to Pure Oxygen
#20464
LatitudeAdjustment - 4/11/2015 6:04 PM
The better question is, what are you using 100% o2 for? If it’s a deco bottle that limits you to the last 30’, a better mix would be 50% so you can start using it deeper and save some deco time or cut your risk.