Before revision: Cylinders Scuba diving with back-mounted manifolded twins and sling mounted decompression gasWhen using multiple gas sources and mixtures it is important to avoid confusing the gas mix in use and the pressure remaining in the various cylinders.
After revision: Scuba diving with back-mounted manifolded twins and sling mounted decompression gasWhen using multiple gas sources and mixtures it is important to avoid confusing the gas mix in use and the pressure remaining in the various cylinders.