Blog Posts
The Dive Rite O2ptima CM is a top-tier sidemount rebreather designed for technical divers, offering extended bottom times, enhanced gas efficiency, and greater maneuverability—especially in overhead environments like caves and wrecks. Featuring a Shearwater Petrel 3 controller, radial CO2 scrubber, and fail-safe oxygen control, this compact unit provides both safety and performance. Whether you're a seasoned technical diver or exploring CCR diving for the first time, the O2ptima CM is a game-changer. Ready to experience it? Contact Extreme Water Sports for training and test dives today!
Technical diving requires precision, planning, and the right equipment to ensure safety and efficiency in deep and complex dive environments. From advanced dive computers and redundant air supplies to cutting tools, backup lights, and surface markers, having the right tec diving gadgets can make all the difference. Whether you're venturing into wrecks, caves, or deep-water sites, being well-equipped enhances your dive safety, comfort, and overall success.
In this guide, we break down the must-have tools for technical divers, including Shearwater dive computers, sidemount configurations, and essential backup gear. Ready to optimize your tec diving setup? Explore our top gear recommendations and expert tips today!
Maximize comfort and safety on extended technical dives with a waterproof drysuit. Unlike wetsuits, drysuits keep you completely dry, providing superior thermal protection, improved buoyancy control, and increased dive time. Perfect for deep, cold, and demanding environments, they offer durability and versatility across various conditions. Discover why a waterproof drysuit is an essential investment for tec divers and how it can enhance your diving experience.
Shearwater dive computers are the gold standard for technical divers, offering unmatched precision, reliability, and advanced features for deep and mixed-gas diving. With intuitive controls, customizable decompression algorithms, and rugged durability, Shearwater ensures safety in extreme underwater conditions. Whether you're using open-circuit trimix or a rebreather, these dive computers provide essential data tracking and seamless digital integration. Discover why Shearwater is the top choice for tec divers and how it can enhance your diving experience.