Dive professional Jay Clue takes a deep dive into understanding the benefits and potential drawbacks of getting into closed-circuit rebreather diving.

Searching for long-lost ships and the treasure they once hauled across the sea can be thrilling, but it’s also a lot of work. Here’s a taste of what to expect if you explore the deep blue for hidden gems.

Introducing a new monthly column following expert Jay Clue’s journey into the world of rebreather diving, sharing the best tips and info he has learned along the way.