When diving at night, communication between divers is extremely difficult. It is essential to establish clear communication between divers during pre-dive briefings and then double-check them during dive. Avoiding areas that have harsh currents is also a good idea. Divers should choose sites with good lighting to ensure safety.
Night diving
Scuba diving at night offers a unique opportunity to see the underwater world. Unlike daytime diving, nighttime dives have the added benefit of avoiding dangerous conditions like strong currents and poor visibility. Additionally, you'll be able to spot things you wouldn't otherwise see, like nurse sharks and lobster. But while diving at night, there are certain rules and safety precautions you should keep in mind.
Safety
Night diving poses several safety risks. The first is the loss of visibility. If you are unable to see the bottom of your dive area, you could be easily swept by the current. You can reduce the risk of drowning by bringing a few dive lights with you when night diving. You can attach them to your dive tank and BCD to make sure you can always see where you are.
Equipment
Submersible pressure gauges and lights are essential components of night diving equipment. These lights will allow you to see clearly and offer safety for other divers. You can use a submersible pressure gauge to tell you when your oxygen levels are low.
Getting a certification
Night diving certifications are a great option if you're interested. Night diving is a popular activity, and there are many benefits to becoming certified in this specialty. You will need a lot of gear to get this certification. You should bring several items with you to night dive, including a primary and dive light.
Animals who emit their own light
Bioluminescent animals produce light by emitting light in two ways. One is by absorption of light from the environment, and the second is by emitting back light. Bioluminescence, also known as photoluminescence, is a complex chemical reaction that requires the involvement of a specific class of proteins. Luciferase are the proteins that produce light. These proteins emit low levels of heat and produce cold light. Without heat, bioluminescent organisms might die. Most animals and humans emit light to a small degree but normally it is not noticeable.
Travelling with a buddy to a night dive
Night diving is all about communication. You can use hand signals, such as flicking a light in a circle, to call your buddy's attention. You can also just hold your light in one hand and wave it to your friend. This will help your buddy see the light better than if he were only holding it.