Is a Dive Computer Worth the Money?

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Years ago, dive tables were how everyone dived. Today, the majority of divers use a wrist-mount computer and it makes sense.

A dive computer monitors depth, bottom time, ascent rate, and NDL in the moment. Dive tables are a fixed calculation. When you go shallower partway through, a computer adjusts. Tables are set before you get in.

Watch-style computers are the most common go for these days. They're small enough, source easy to read, and you'll use them as a watch too. Console-mount computers are an option but fewer buyers go that way anymore.

Basic computers go for around a few hundred dollars and cover everything a recreational diver would need. You get depth, bottom time, NDL, a logbook, and often an entry-level freediving mode. The $500-800 range adds wireless air monitoring, better readability, and more nitrox compatibility.

The one thing new divers overlook is how the computer handles. Certain computers are more cautious than others. A conservative computer results in reduced NDL. Liberal settings allow longer time but at reduced buffer. Both work. It just your style and how experienced you are.

Check with people at a local dive store who's used various computers before buying. Staff will offer honest opinions on what's good versus what's just marketing. Most good dive stores put out product guides and honest reviews on their websites too

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