Try ‘trox with Kona Honu Divers: Why Enriched Air Nitrox is the Dive Certification You Don’t Want to Miss

Hi Friends!

Ever been on a boat and seen a bunch of green and yellow tanks and wondered what the deal is? Today I’m going to tell you all about what’s in those tanks, why they’re so cool, and how to get them on your next dive. Let’s get started.

Enriched Air Nitrox (EAN) vs Air


Before we get into the specifics of EAN, it’s a good idea to get refreshed on what you are breathing during a regular dive. Contrary to what many people think, regular dive tanks are not filled with pure oxygen, but air. Save for small amounts of trace gases, air has about 21% oxygen and 78% nitrogen. As you probably remember from your dive certification course, nitrogen is the primary gas we are concerned about in regular recreational diving as far as tissue absorption is concerned. Enriched air nitrox (EAN), or nitrox (or, colloquially, ‘trox), is similar to regular air except the ratios of oxygen to nitrogen are manipulated to decrease the percentage of nitrogen and increase the percentage of oxygen. Why would anyone want do that, you ask? We’ll get into that next.

Benefits of EAN

What if I told you there was a magic potion you could breathe right out of a scuba tank to make you younger, smarter, handsomer, and rich beyond your wildest dreams? Don’t believe me? Well that’s smart of you, because there’s no such thing. The good news, though, is there is a magic potion you can breathe right out of a scuba tank that can extend your bottom times, reduce nitrogen absorption, and possibly help you feel more energized after your dives. That, my friends, is Enriched Air Nitrox. You see, because there’s a smaller percentage of nitrogen in an EAN tank than a regular air tank, your body absorbs less nitrogen, extending the time you can be underwater. How much time? Depending on the blend, you could get up to 20 minutes more on a dive to 80 feet than you would on regular air. Not interested in diving longer? EAN has benefits for you too: diving EAN with regular air tables can lessen your chances of developing DCS. What’s more, many divers report feeling more energized after using EAN than regular air because of the increased oxygen content. Good stuff.

Why You Should Get EAN Certified With Kona Honu Divers


One of the coolest things about this course, aside from the fact that EAN is so beneficial to so many different types of divers, is that it doesn’t take a lot of time to do it and it’s inexpensive. The course consists of a short academic portion done online and a practical session off our boat. What’s really awesome is that Kona Honu Divers is offering the practical part of the course for for free to anyone signed up on one of our morning charters. All you have to do is complete the online learning for $175 (make sure you designate KHD as your local store or else we won’t be able to do it) and contact us to set up the rest. This offer is good for our local Ohana Members too!

Why Kona Honu Divers is the Best Shop in Kona for Enriched Air Nitrox Diving

Unlike a lot of shops, Kona Honu Divers offers FREE NITROX on all dives. In a lot of outfits, EAN goes for 12-15$ a tank, so it’s a really awesome savings, especially if you are doing multiple days of diving. For you air suckers out there, we even offer 100s for a nominal fee.

That’s it for today guys. As always, please share this post with your friends and feel free to leave any questions in the comments section.

Happy Diving!



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