Remember the first rule of scuba diving that you were taught in your basic open-water class? I believe it goes something like: “Keep breathing!” Simple advice and unarguably the best advice possible for any diver, not just those entering the sport for the first time.

Healthy shoulders are vital to a positive scuba diving experience.

The mobility of the shoulder joint exceeds every other joint in the human body. It enables divers to reach behind, under, around, above and beyond in nearly unlimited directions and rotation. Consequently, by design the shoulder joint and its musculature are highly susceptible to injury all of the time and especially during scuba diving activities.

Arus kencang are the words you need to listen out for—you will hear them in the rapid interchange between the dive guides and the boat boys, as they discuss the practicalities of safely immersing a group of “bule” (slang for foreigners) in the waters of Raja Ampat.

Arus kencang means strong current in Bahasa Indonesia, and the emphasis given to those two words will give you an instant insight into what awaits you below.