Advanced OPen Water or specialties? Open Water or The Advanced Open Water is touted as the very next program an entry level diver should do. Students around the world have this drummed into them in manuals, videos and by the instructor. Reality is that the Advanced Open Water course is solely a term used by […]
Author Archives: Daren Marshall
by Daren Marshall Dive Rite O2ptima 2014 Review The Dive Rite O2ptima CCR has been around for a decade and is very well established. As you would expect from a progressive company of actual divers that constantly tweak products according to their own real diving experiences & customer feedback, the O2ptima has had its fair […]
By Daren Marshall Dive Rite were the guys first to come up with the commercial sidemount system and it’s CEO Lamar Hires has a strong history and influence of the development of sidemount as a concept. This year saw the introduction of a new rig to the Dive Rite stable, the Dive Rite nomad lt extreme […]
A real world take – Hollis Explorer Review by Daren Marshall. In the late 1990’s I taught the Draeger Dolphin semi closed rebreather. So I was very excited to be able to finally take the TDI Hollis Explorer Diver Course and see how a semi closed hybrid system might bridge the gap between that old technology […]
WHICH REBREATHER?… Which Rebreather is a question that I’m asked at least once a week from potential new rebreather students looking to take the step into the silent world. A question that I’ve asked myself numerous times over the years and led to the serial owning of enough different units to make a bank manager […]