Scuba Diver Editor-in-Chief Mark Evans resisted the lure of closed-circuit rebreather diving for many years, before certifying on the Poseidon MK6 and the Hollis Explorer. Having recently just done a trydive on a Hollis Prism II, he takes a look at CCRs and says there are several things you need to consider before taking the plunge.
Don't forget to subscribe to the Scuba Diver YouTube Channel so you don't miss any future videos!
