“How to” information

We didn’t just “flatten” this curve, we crushed it
In the 1970s and 1980s, open-water diver fatalities in caves were alarmingly frequent. Then, within a short span of time, they all but disappeared. What did we do to make this happen?

Cave Diving in the Era of COVID-19
With the recent surge in COVID-19 cases in the USA, you may wonder whether it’s safe to go cave diving. Well, that depends…

RMV vs. SAC: What’s the Difference?
Few topics generate more confusion among divers and instructors than Respiratory Minute Volume (RMV) and Surface Air Consumption (SAC). This video tells you what you need to know in simple, easy-to-understand language.

Gas matching in action
There are many ways to deal with dissimilar cylinder volumes. There is one method, however, which even if you don’t use it, you should at least understand.

Turrets: Not Just for Tanks
When selecting regulators for cave diving, there are many important features to consider. There is one feature, however, which can prove critical in a gas-sharing situation. It’s vital you understand what this feature is and why it’s important.

Three more reasons diving metric is better
Using the metric system could make our life as divers — and cave divers in particular — easier. Here are three more reasons why.

The Micro Gear Hauler Project
Conventional wisdom is that, to be a cave diver, you must have a full-size truck, van or SUV. That’s not necessarily true. In many instances, you can get your gear to and from the water quite economically.

A GoPro in your pocket?
A “GoPro in your pocket” is rapidly becoming standard operating procedure for many cave divers. If you are thinking about adding the new GoPro Hero 8 to your inventory, there is something you should know first.

Solo Diving Survey Results
Among the most surprising results of our July survey on cave diver behavior was the fact more than half of respondents say they solo dive in caves, at least on occasion. We decided to take a closer look.

Famous last words?
You never know when the last thing you say will end up being the last thing you said.

The real story on a discredited practice
You already know the importance of turning tank valves all the way on. But do you know the real origin of the now-discredited practice of turning them back a quarter turn?

Don’t be a Cookie Monster
Why teach a simple procedure when you can baffle your students with a complicated one?

The rule no one violates (and why)
There are rules most cave divers follow and ones most don’t. The Rule of Thirds is one almost no one violates. Why is that?

Gas Consumption: Distance Trumps Time
When it comes to cave diving, how much gas you breathe in a minute isn’t as important as how far this gas takes you.

Something new at Devil’s Eye
The next time you dive Devil’s Eye, you may discover something very different from the last time you were there. All we can say is, “It’s about time.”

Ten Ways to Help Protect the Cave
Any visit to an underwater cave causes damage. However, by diving conscientiously, you can keep this damage to a minimum.

Blame it on Jack Sparrow
Cave divers from outside the USA often wonder why we cling to an arcane and often bizarre system of measurements. The blame may lie with Johnny Depp.

New! SuperHiPerformance Cave Diving
Let’s face it: Cave diving has become boring. But don’t worry. We have a way to put the adrenaline back in. And all you have to do is risk your life.

Blinded by the slight
Remember that scene in Episode II where Obi-Wan tells Anakin, “This weapon is your life.” Well, in caves, the guideline is your life.

Caught in a blind
Are you familiar with “blind” tees? They are one more way the cave is doing everything it can to make sure you don’t come out alive.

How old is too old to cave dive?
Is there an upper age limit for cave diving? There may not be a specific number of years, but there are factors you should consider as you age.