PADI Open Water Diver Exam with Complete Solutions

PADI Open Water Diver Exam with Complete Solutions See Being a Diver I - Water Pressure and Air Volume Effects. Pressure increases by one bar/ata for every 10 metres/33 feet of depth. So, at 10 metres/33 feet, the total pressure is 2 bar/ata (one from water pressure and one from atmospheric pressure). Density increases proportionally, so at 2 bar/ata the density is 2 times as great, at 3 bar/ata the density is 3 times as great, etc. How do you equalize your ears? To equalize your ears and sinuses, pinch your nose and blow gently against it. This sends air from your throat into your ears and sinuses. Some people find that wiggling their jaws side-to-side and swallowing also works. Do not use forceful or extended equalizations