If you only dive a few times a year, hiring a scuba tank is usually cleaner than owning one. If you dive often around Sydney, owning a diving cylinder can make sense once you know your gas use, preferred valve type, and whether steel or aluminium gives you better trim....

The Shearwater Perdix 3 has one change that matters: the screen. It swaps the Perdix 2’s 2.2 inch LCD for a brighter 2.4 inch AMOLED with about four times the resolution. Almost everything else carries over. Same 260 metre depth rating, same battery life, same titanium build, same dive modes,...

That second winter dive can be the one that changes your mind. The first dive is fine, the surface interval is cold, and by the time you get back in, your wetsuit no longer feels like enough. A drysuit is worth considering if cold is cutting your dive short, you...