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  1. O2ptima Scrubber Duration Test Results Testing and qualification of the O2ptima CO2 scrubber duration has been done using the ExtendAir CO2 absorbent cartridge model 101C and scrubber designed by Micropore. The recommended O2ptima rebreather scrubber duration for sport diving depths is 240 liters of CO2, if the diver is monitoring ...
  2. DGX Gears Harness Assembly Instructions Here is the Dive Gear Express recommended procedure to assemble and adjust our DGX Gears Harness with crotch strap (also called the DIR harness) on to a backplate. These instructions assume you are assembling our DGX Gears Harness, with Crotch Strap kit with all the accessories, but works ...
  3. SCUBA Valves This article explains valves used in SCUBA cylinders. How a regulator attaches to the valve and how the valve connects to the cylinder. © Copyright 2002-2024 Dive Gear Express, LLC SCUBA cylinder valves come in right-hand and left-hand designs, referring to the side of the valve knob, not to ...
  4. CCR FAQ - Poseidon Se7en+ Prepared by Mark Derrick, CCR Instructor on Staff How much does a Poseidon Se7en+ cost? A better wording of the question might be 'How much does it cost to switch from an open-circuit diver to a rebreather diver?' The price of the rebreather itself can vary significantly depending on ...
  5. Sofnolime Absorbent Selection And Handling Information on Sofnolime® CO2 Absorbent for Rebreathers © Copyright 2007-2024 by DiveGearExpress.com, portions are © Molecular Products Characteristics Chemistry Applications Transport Storage Handling Disposal Sofnolime® is the Molecular Products brand name for ...
  6. South East Florida Diving Logistics Many Southeast Florida area dive boats welcome Nitrox divers, rebreather divers, technical divers, as well as recreational sport divers. Dive Gear Express is happy to recommend a local dive boat where your style of diving is welcome. There are many reasons to dive the Southeast Florida ...
  7. Calculating SCUBA Cylinder Capacity Or why does my Aluminum 80 SCUBA tank only hold 77 cubic feet of air? ©2018-2020 by Mark Derrick, Gas Blending Instructor at Dive Gear Express Technical divers need to know exactly how much breathing gas they have as they enter the water, because if they didn't plan correctly then bad stuff ...
  8. Understanding Nitrox Ready and Oxygen Service Can I use it with Oxygen? Yes and no; this simple question has a complex answer because there is no widely recognized scuba diving standard for what constitutes suitability for oxygen service. Hypothetically, the equipment we sell could be used with oxygen if we describe it as "Nitrox Ready", ...
  9. About Oxygen Disclaimers Why almost nothing in the dive industry is labeled "Suitable for 100% Oxygen Service" Thermo is a brand name of SCUBA valves currently manufactured by XS Scuba, a US based corporation. A disclaimer label appeared on Thermo brand SCUBA valves following a specific accident involving 100% ...
  10. Suggestions for Selecting a Wing Imagine if someone said to a diver, "Carry this sea anchor on every dive. You don't need it now, but there is a possibility you will need it on a dive some time a few years from now." Silly, yet this is what happens when a recreational single tank diver purchases an oversized wing primarily ...
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