Are Dive Computers Worth It?

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Back in the day, tables were the only option. At this point, most scuba divers use a wrist-mount computer and it makes sense.

The computer monitors depth, bottom time, ascent rate, and NDL in real-time. Tables give you a static plan. When you move between depths mid-dive, it updates. Tables are set before you get in.

Wrist computers are the most common go for these days. They're small enough, readable underwater, and you'll wear them as a daily watch too. Console models are an option but not as many divers go that way anymore.

Entry-level computers go for around $300-odd and handle everything a recreational diver would need. You get depth tracking, dive time, no-deco limits, log function, and usually a basic apnea mode. The $500-800 range adds air integration, better screens, and more mix modes.

Something people don't think about is how the computer handles. Certain algorithms are tighter than others. A tighter algorithm means reduced NDL. More aggressive algorithms allow longer time but with less buffer. It's not right or wrong. It's personal preference and how experienced you are.

Worth talking to the staff at a local dive store who uses various models before you decide. They'll offer real-world feedback on what's cairns dive computer guide good and what isn't just marketing. Most good dive stores put out product guides and comparisons on their sites too

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