How long does a pony bottle last?
The duration of breathing gas you get from a small bailout bottle will depend on your breathing rate. Manufacturers claim 114 breaths or 6 to 10 minutes at the surface for an average person using the 6-cubic-foot (0.2-cubic-meter) model.
How many breaths does a pony bottle have?
With 3.0 cubic feet of air, your Spare Air pony bottle gives you approximately 57 surface breaths (actual breaths vary by individual and depth). It’s easy to refill your Spare Air from a full 3000 psi scuba tank using the refill adapter included with every unit.
How long does a pony scuba tank last?
At a SAC rate of 1.0 (not unheard of in an emergency situation), a 4 c.f. bottle will last about 2 min at 30 feet (10 meters). That’s not a lot of time to sort through an emergency that may come up and make a safe ascent. It’s even less time if you decide to dive deeper than 10 meters.