Going Deeper — 5 Reasons You Need Proper Training Before Diving Deep

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Deep diving opens up an entire new world to discover, from intact wrecks and unspoilt reefs, to totally different wildlife… to not point out the joys of venturing into the depths. As you descend, you also needs to anticipate a number of modifications to your physique and your environment.


Two divers with deep diver certification

1. Inert Fuel Narcosis (‘Being Narced’)

Respiration inert gases (like nitrogen) underneath strain has a narcotic impact, considered brought on by nervous system interference. You could begin to discover narcosis from 25-30m, and narcosis intensifies with depth. Whereas not dangerous itself, the signs might embrace euphoria, overconfidence, sluggish reactions, nervousness, and even hallucinations — which may result in poor selections. Fortuitously, there’s no long-term impact, as narcosis eases off as quickly as you come back to shallower waters.


two divers near submerged pinnacle

2. Fuel Consumption

The deeper you go, the extra fuel you’ll use. It's because regulators ship respiration fuel at ambient strain (which will increase with depth), in an effort to proceed to breathe effortlessly. Additionally, the fuel inside your BCD or drysuit compresses as you descend. To take care of buoyancy and luxury, you’ll want so as to add extra air than on shallower dives. You possibly can assist to enhance fuel consumption with these tips.


PADI Deep Diver Specialty Course

three. Color

Mild depth decreases with depth, and extra colors are absorbed by the water. Decrease power colors with longer wavelengths (like purple) disappear first, whereas greater power colors with shorter wavelengths (like violet) disappear final — consider a rainbow. So, as you enterprise deeper, things get progressively dark and blue, however utilizing a dive light (or for photographers, a flash or strobe) will immediately restore the complete spectrum of colors into your vista.


two divers who are deep diver certified

four. Temperature

Water usually will get cooler with depth, as a result of daylight solely heats the primary few centimetres. Temperature can typically change out of the blue (a thermocline), creating a visual ‘shimmer’ and ranging a number of levels in just some fin kicks. Don’t overlook that neoprene compresses underneath strain, so common wetsuits will probably be much less insulating the deeper you go. Verify together with your dive operator about anticipated temperatures, so you'll be able to select the right suit to maintain you heat.


A deep wreck in egypt with scuba diver

5. Dive Time

As you dive deeper, you’ll breathe a better focus of nitrogen, which means you’ll attain your No-Decompression Restrict (NDL) a lot before on shallower dives. To maintain inside your limits, deeper dives will inevitably be shorter. Enriched air nitrox can prolong your no cease dive time by decreasing how a lot nitrogen you breathe. It's also used tec diving whereas decompressing to assist scale back nitrogen ranges within the physique extra shortly. See the PADI Tec 40 Diver course to study extra about technical decompression diving.


The PADI Deep Diver course will train you the talents and information to progress your diving to 130 ft or 40 meters, together with dive planning, buddy contact, gear, managing narcosis, and far more. Get began immediately on the eLearning or contact your native PADI Dive Shop to study extra.

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