3. Menagerhea’s Reef Dive type: Wall dive + overhangs and ledges Mooring depth: ~20 ft / 6 m Key area: around 50 ft / 15 m Main feature: A beautiful wall covered with overhangs, sheet corals, sponges, and soft corals.  What makes Menagerhe.. Read More

2. Calvin’s Crack Dive type: Crevice / swim-through + wall Location: East side of Roatán, near Jonesville Mooring depth: ~30 ft / 9 m Crack: approximately 30–80 ft / 9–24 m Main feature: A long, descending crevice that opens .. Read More

1. Mary’s Place Dive type: Wall + cracks/channels Mooring depth: ~30 ft / 9 m Plateau: approximately 30–60 ft / 9–18 m Wall: drops to approximately 120 ft / 37 m before continuing beyond recreational diving limits. What makes Mary&r.. Read More

CHAPTER 6 — THE GOLDEN RULE: FOLLOW YOUR OWN COMPUTER Understanding Your Dive Computer — Part 6         You and your buddy are underwater together. Same dive. Same depth. Almost the same bottom time. Your computer show.. Read More

CHAPTER 5 — UNDERSTANDING CONSERVATISM SETTINGS Understanding Your Dive Computer — Part 5   Your dive computer may allow you to adjust how conservatively it applies its decompression algorithm. Depending on the manufacturer, you may .. Read More

CHAPTER 4 — UNDERSTANDING GRADIENT FACTORS Understanding Your Dive Computer — Part 4   If your dive computer uses Bühlmann ZHL-16C, you may have seen settings such as: GF 30/70 GF 40/85 GF 45/95 But what do these numbers actuall.. Read More

CHAPTER 3 — UNDERSTANDING BÜHLMANN ZHL-16C Understanding Your Dive Computer — Part 3     Bühlmann ZHL-16C is one of the most widely used decompression models in modern dive computers. But what does ZHL-16C actually mea.. Read More

CHAPTER 2 — WHY TWO DIVE COMPUTERS SHOW DIFFERENT NDLs Understanding Your Dive Computer — Part 2   Two divers can make the same dive, at the same depth, for the same amount of time and still see different No-Decompression Limits (NDL.. Read More

CHAPTER 1 — WHAT IS A DIVE COMPUTER ALGORITHM? Understanding Your Dive Computer — Part 1   Every time you dive, your dive computer is doing much more than displaying your depth, dive time, and remaining NDL. Behind the screen, it is .. Read More

Understanding Your Dive Computer The Main Decompression Models Used in Dive Computers Today     1. Bühlmann ZHL-16C One of the most widely used and documented decompression models today. It models inert gas uptake and elimination using.. Read More