SDI Diver News
Constant PO2: What Is It, and How Is It Different than Nitrox?
In order to understand how constant PO2 in a closed circuit rebreather differs from diving nitrox, we need a quick refresher on physiology. Our bodies respond to the partial pressure of oxygen (PO2), the gas that we breathe, as opposed … Continue reading
Silent Diving Photography: The Benefits of No Bubbles
Imagine finding the perfect subject to take pictures of while diving: you get your camera ready, settings are in place, you’re getting closer, and you are ready to capture this ideal image in front of you… then you exhale a … Continue reading
Rebreathers—Are They for Me?
by Jeffrey Bozanic “I’m just a regular scuba diver… what would I want a rebreather for? They are for tech divers!” I hear that all the time. Yes, rebreathers are great tools for tech divers. You can dive deeper, stay … Continue reading
The Sidemount Diver: an Interview with Pete Nawrocky
SDI sat down with avid sidemount diver and instructor Pete Nawrocky with Dive Rite to discuss how and why divers get involved in Sidemount Diving. SDI – How long have you been diving? Pete – I started diving in 1971 … Continue reading
Sidemount is Not Just for Tech – Benefits to Recreational Divers
If ever there was a practice in diving where the saying “necessity is the mother of invention” fit, it would be sidemount diving. Sidemount is essentially an equipment configuration that requires minor adjustments to diving practices. With that said, a … Continue reading
Giving Back to Diving
One of more enjoyable aspects of diving that I discovered was paying it forward and giving back to an activity that I so enjoyed, and the opportunity to share the experience with others. Sharing the experience also provides to you, … Continue reading
5 Reasons to Dive Florida this Winter
Cold? Come on down, the water is great! Between the reefs, wrecks, caverns, and springs, Florida’s diverse diving offers something for everyone, making it a great option for a quick getaway this winter. Here’s a few of our favorite spots. … Continue reading
SDI Launches Solo Diver Course Online
SDI continues developing their eLearning platform, allowing divers to complete the academic portion of the Solo Diving certification online. In 1999 SDI (Scuba Diving International) launched its controversial Solo Diver Course, a program that taught recreational sport divers what tools … Continue reading
Stories from the Dive Sites
by Scott Cadreau A Technical Wreck Dive to Vitric, in Key Largo FL I first heard of the Vitric in the summer of 2011 when I was starting my technical diving classes with Horizon Divers in Key Largo, FL. Dan … Continue reading
Drysuit vs Wetsuit: Which One is Best for You?
Nothing is worse than going on a scuba vacation and being cold during your dive. Actually, there is – getting on the 2nd or 3rd dive and being cold before the dive even begins. And this is how the debate … Continue reading





