Since its introduction in 1973, the 11-liter Aluminum 80 cylinder has become nearly ubiquitous in the sport diving world, supplying both tourist divers and stage-carrying tekkies...
Launched in 2016, the FATHOM mechanical closed circuit rebreather (mCCR) has gained supporters among deep cave explorers and those distrustful of underwater electronics, who say they...
Forget those ‘leaky valves!’ The mechanical FATHOM CCR’s secret sauce is a specially-designed needle valve that enables divers to dial in their oxygen flow rate underwater...
Launched in early 2020, just as the pandemic was getting started, Dive Rite’s innovative chest-mounted O2Ptima, aka the CHO2ptima, is generating significant buzz among instructors and...
Explorer Steve Lambert reports on the latest exploration push at Peacock 3, aka P3, in Wes Skiles Peacock Springs State Park, enabled by long range scooters,...
British photographic phenom turned tekkie Jason Brown reviews Fourth Element’s new entry into the technical diving fin market—having long been dominated by Scubapro’s Jet Fin. Brown...
This month we continue our discussion of the migration to closed circuit rebreathers (CCR) and the future of open circuit (OC) scuba for tech diving. Instructor...
By Michael Menduno. Images courtesy of Sean Webb unless noted. There is arguably some confusion in the tech diving community over the advantages and disadvantages of...
by Richard Taylor. Images courtesy of Rob Wilson unless noted. Hindsight can be sobering. Eight years ago, I argued open circuit (OC) technical training was becoming...
How many “deep” open circuit dives would you have to conduct—you are using helium aren’t you?—to pay for a rebreather, training and necessary experience dives? It’s...
