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Nitrox & Gas

The green-and-yellow band explained: MOD, ppO2, analyzing every fill, and whether enriched air earns its surcharge for the way you actually dive.

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From the Log

Reviews and guides on this subject.

OCT 24, 2026LOG ENTRYDIVE COMPUTERS10 MIN

Black Friday 2026 Scuba and Snorkel Gear: What's Worth Buying

A listing-based guide to eight scuba and snorkel products for Black Friday 2026 (Friday, November 27): five dive computers, two masks and a pair of travel fins, with what each listing says and what it leaves out. It lists no prices or event dates.

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OCT 17, 2026REVIEWDIVE COMPUTERS10 MIN

Garmin Descent G2 Review: Is the Watch-Style Dive Computer Worth It?

The Garmin Descent G2 is a watch-style dive computer with a 1.2" AMOLED display, a 100-meter dive rating per its listing and Garmin's spec table, and Buhlmann ZHL-16c decompression per Garmin's spec table alone. Here is what both sources state, and the one feature Garmin's table leaves out.

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OCT 17, 2026REVIEWDIVE COMPUTERS9 MIN

Suunto D5 Review: Is the Dive Computer Worth It in 2026?

The Suunto D5 pairs a color display with wireless tank pressure support, a digital compass and vibration alarms, per its listing. Here is what Suunto's user guide adds on depth, algorithm, gases, battery and the Tank POD.

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SEP 1, 2026REVIEWDIVE COMPUTERS9 MIN

Oceanic Geo 4.0 Review: A Watch-Sized Dive Computer for Everyday Wear

Oceanic Geo 4.0 Review: A Watch-Sized Dive Computer for Everyday Wear

A spec-based look at the Oceanic Geo 4.0, a watch-sized dive computer that runs air, nitrox, free-dive, and gauge modes with a user-changeable battery and a choice of algorithms — built for divers who want one low-profile device from the airport to the dive deck.

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JUL 19, 2026LOG ENTRYDIVE COMPUTERS6 MIN

The Best Budget Dive Computers Under $400 (2026)

The Best Budget Dive Computers Under $400 (2026)

Under $400 buys a genuinely capable, nitrox-ready dive computer -- you give up color screens and air integration, not safety or reliability. Our budget ranking covers one-button classics and wrist units that log, with an honest note on the stretch pick just over the line.

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JUL 19, 2026A-VS-BDIVE COMPUTERS6 MIN

Buhlmann vs RGBM: How Dive Computer Algorithms Differ

Buhlmann vs RGBM: How Dive Computer Algorithms Differ

Put two dive computers on one dive and they can show different no-stop time, because they run different models. An educational explainer on Buhlmann ZHL-16C versus RGBM -- dissolved gas versus bubbles, gradient factors, and why conservatism is a setting, not a safety score.

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