By Kirk Krack If you’ve taken a diving course, be it scuba or freediving, you would have been taught the process of equalization. You equalize to ensure that your ears, sinuses, and mask are equal to the water or ambient pressure surrounding you at your depth. Most scuba courses …

By Kirk Krack and Mandy Rae Krack Being water people, it was always a given that our child would grow up in and around the water. But would she grow to love it and be as comfortable in it as we are? So far, she does. What a relief! …

ITI, the parent company of TDI, SDI, ERDI and First Response Training, have today announced a new addition to their family with the acquisiton of Performance Freediving International. DIVER readers will be familiar with PFI as its founder, Kirk Krack, is our regular freediving columnist and Contributing Editor. “I’m …

By Kirk Krack and John Hullverson https://vimeo.com/201936642 To my mind, there’s nothing better than gliding over a reef or wreck, free of tanks and hoses, tied only to the surface by my need for an eventual gulp of air.  However, as a former Trimix Instructor Trainer from what seems …