04/02/2021
Aside from the physics involved in actually filling this thing, the other notable con is suffering from pulmonary barotrauma if you don’t know that it’s bad to hold a breath of compressed air as you ascend. I flipped out on a Sport Chalet mgr for selling a Spare Air unit to an uncertified spear fisherman while I was on lunch break for this reason. I also switched tax firms because the new owners said they “learned to scuba” in one day with a DM in a cenote 😱 and “dove all by myself”.
Look pro. Get certified. Exiting the boat on a stretcher is not pro.
Just a little pumping, and breathe underwater, carefree for 10 minutes!!! Err, not quite. More like 10 minutes of hard pumping for 10 minutes at snorkel de...