I have travelled around a bit and dived in some very remote places, miles from a dive shop. Over the years I have collected an array of gadgets. Dive shops are full of shiny things you had no idea you needed until you saw them for the first time. There are some very important basic add-ons to your standard battle dress, things that no self respecting diver would dive without, and then there is a range of nice to have items, and then the usual ”not required but I have it anyway” list.
Must have items
DAN medical insurance
Attach the red DAN tag to your BCD or regulator so that in an emergency your rescuer can get you the help you need. DAN will cover you for the expensive possibility that you need recompression in a chamber if you have a suspected case of the bends, as well as for any other diving-related medical emergency treatment that your medical aid refuses to cover. An ordinary medical aid will probably not pay for recompression treatment. Visit the DAN (Divers’ Alert Network) website for details.
A surface marker buoy (SMB)
Reels come in all shapes and sizes, with thumb reels, small reels and large reels. I use a small reel on shallow dives and a large reel on deeper dives.
In a rough sea or poor conditions an SMB makes you far easier to see than a head and shoulders dressed in black bobbing on the surface. You should not dive without one in Cape Town.
Dive Knife
This should be big enough to cut fishing line in case you or your buddy get tangled up (or need to rescue something or someone). Not to be used for stabbing sharks, or your dive buddy! You can buy huge dagger-type knife, but it may be an overkill, unless you have aspirations to be a pirate. Small cutting tools that you can wear on your gear are more practical.
Torch
This should ideally be small enough to keep in a pocket, unless you’re doing a night dive and need some serious light.
You don’t necessarily need a torch only on night dives – you may want to see something that’s hiding in a dark environment, or it might be an overcast day. On a deep dive, a torch is essential because the colours can look so washed out.
Compass
Knowing where you are going or where you came from is quite useful at the bottom, as on land. Enough said.
Dive computer
There are many different styles. Some can be worn as everyday watches, and others are only for diving. Here are three variations:
Signalling devices
A whistle is required for the surface (many BCDs come with one attached – you may not have noticed it as it might be helpfully coloured black to match the inflator hose). An air horn works above and below the surface and a shaker works best underwater but can be used on the surface.
You can also use a hard object like a dive knife to rap on your cylinder, which will be audible to your buddy underwater, but don’t necessarily rely on having something suitable to hand – or having the presence of mind to look for it – in an emergency.
Slates
Underwater slates come in all shapes and sizes. A wrist slate can be pleasant as it’s always close by but easily accessible. Flat slates must be clipped to a D ring – and don’t forget to secure your pencil!
DIN adaptor and O rings
Some resorts only have old style aluminum cylinders and if you have a DIN regulator they don’t fit as there is no removable insert. Here you will require a DIN adaptor so make sure you enquire as to type of cylinders available when you book your vacation, if you intend using your personal regulator.
It’s also handy to have an allen key to remove the inserts if you routinely dive with your own regulator.
Nice to have items
Clipping things to your BCD is a surefire way to ensure they do not become lost property. There are many different types of clips available. No matter what I take underwater, it will always have a clip attached that will enable me to clip it to my BCD if I suddenly need both hands for something.
Spare mask and fin straps are nice to have particularly if you have a odd type of fin or mask.
Spare octo clips are handy as well as a few cyalumes in the event of an impromptu night dive.
If you travel to remote locations in your own 4WD you may find yourself with a puncture, so a tyre inflator is a handy addition to the dive bag. Deep divers know the benefits of Nitrox and the risks involved in diving with the wrong mix so a Nitrox analyser helps you to double check the reading reached by the dive store. If you find your reg breathes with difficulty, or you second stages constantly leak, checking the system pressure with your own handy pressure gauge will give you an indication as to the root of the problem.
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