Question: What is the difference between a Dive Guide and a Divemaster? Both RSTC and ISO describe Open Water qualification as an “autonomous level” qualification. ‘Autonomous’ means that the qualified diver DOES NOT REQUIRE SUPERVISION relative to the level of their qualification. Consequently, it should be appropriate for a “Dive Guide” to accompany them purely […]
The post Scuba Q and A: The Difference Between a Divemaster and Dive Guide was written by Andy Davis.
]]>How to find the Optimal Height for Sidemount Cylinder Bands by Andy Davis Here is a quick ‘how to’ guide to configure the optimal height for your sidemount cylinder bands. This method assumes you are using LOOP bungees. It’s correct for either steel or aluminium cylinders, whether you use waist D-rings or a buttplate/rails for […]
The post How to find the Optimal Height for Sidemount Cylinder Bands was written by Andy Davis.
]]>Top 5 Convertible Hybrid Sidemount Systems by Andy Davis My list of the top 5 most popular hybrid sidemount systems currently available worldwide. All of these hybrid systems are able to be converted for sidemount and backmount singles/doubles use. Hybrid sidemount systems offer the diver the adaptability to use their rig for either sidemount or […]
The post Top 5 Convertible Hybrid Sidemount Systems was written by Andy Davis.
]]>Mildly Bent – Decompression Stress and Micro-Bubbles by Andy Davis Sub-Clinical DCS Bubbles occur in our bodies on the ascent from most scuba dives, but those bubbles have to reach a sufficient size before they cause enough immediate harm to present diagnoseable symptoms of DCS. Bubbles of insufficient size to cause clinically identifiable decompression sickness […]
The post Mildly Bent – Decompression Stress and Micro-Bubbles was written by Andy Davis.
]]>Top Ten Wreck Diving Tips For Safer Wreck Penetration Dives By Andy Davis I’ve been diving on – and inside – shipwrecks for more than two decades, on 4 continents. I specialize in teaching the highest level wreck diving courses as my full-time job. I will happily state that my attitude towards wreck penetration has […]
The post Top Ten Wreck Diving Tips For Safer Wreck Penetration Dives was written by Andy Davis.
]]>Decompression Sickness And the Immune System by Andy Davis It is known that bubbles within the body trigger an immune system response. For this reason, immune-suppressant drugs are often administered during hyperbaric treatment for decompression sickness. The immune system reacts to bubbles as it would to any foreign body; such as a virus or bacteria. That […]
The post Decompression Sickness And the Immune System was written by Andy Davis.
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