Practice a "one-tank ascent" in a pool. With your left tank turned off, ascend from 20 feet to the surface using only your right tank for breathing and your wing for buoyancy. You will discover that you must vent the wing more aggressively because the missing tank's negative weight is gone. If you don't practice this, you will rocket to the surface.
Sidemount diving success is built on four core foundations: mastering your equipment, achieving stability, refining technical skills, and perfecting emergency drills. Unlike backmount diving, sidemount offers a customizable, streamlined configuration that places valves and regulators directly in front of the diver for maximum accessibility and control. 1. Equipment Mastery & Configuration sidemount principles for success verified
: Divers must adjust for the changing buoyancy of cylinders (e.g., aluminum tanks becoming lighter as gas is consumed). Bungee Systems Sidemount Principles for Success (Verified)