Pro Tips
Welcome to our rebreather advice and information site. Browse a host of topics written by today's rebreather pros and sidemount aficionados.
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 | When In Doubt, BailoutLamar Hires - 2012-07-16 In a rebreather accident, many quickly assume a fault on the part of the equipment. Yet, if we go back in history, we'll see that this isn't the first time we removed responsibility from the diver. In most cases, user error is the issue and we should all remember to keep our safety protocols in focus. Additional information: Lamar Hires
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| Redundancy and PO2 Monitoring in eCCRLamar Hires - 2012-07-16 I feel there is some misunderstanding or marketing of rebreathers. Redundant PPO2 monitoring is not for continuing the dive but to abort the dive and exit the water or cave on the rebreather if the backup system is working properly. Additional information: Lamar Hires
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 | Oxygen Toxicity - How Does It Occur?Dr. K. David Sawatzky - 2008-12-01 Dr. K. David Sawatzky is a diving medical specialist on contract at Defence Research and Development Toronto from 1998 to 2005. Previously he was the Canadian Forces Staff Officer in Hyperbaric Medicine at DCIEM (1986-1993) and later the Senior Medical Officer at GarrisonSupport Unit Toronto (1993-1998). He has been on the Board of Advisors for the International Association of Nitrox and Technical Divers (IANTD) since 2000, and is an active cave, trimix and closed circuit rebreather diver/instructor/instructor trainer. Originally published in Diver Magazine, Issue Dec 2008/Jan 2009, this article is Part I of a two part article on oxygen toxicity. Additional information: Dr. K. David Sawatzky SC, CD, BMedSc, MSc, MD |
| Oxygen Toxicity – Signs and SymptomsDr. K. David Sawatzky - 2009-02-01 Dr. K. David Sawatzky is a diving medical specialist on contract at Defence Research and Development Toronto from 1998 to 2005. Previously he was the Canadian Forces Staff Officer in Hyperbaric Medicine at DCIEM (1986-1993) and later the Senior Medical Officer at GarrisonSupport Unit Toronto (1993-1998). He has been on the Board of Advisors for the International Association of Nitrox and Technical Divers (IANTD) since 2000, and is an active cave, trimix and closed circuit rebreather diver/instructor/instructor trainer. The second half of a two part series on oxygen toxicity, first published in Diver Magazine in Feb/Mar 2009. Additional information: Dr. K. David Sawatzky SC, CD, BMedSc, MSc, MD |
| Oxygen Toxicity and CCR DivingDr. K. David Sawatzky - 2011-05-26 Dr. K. David Sawatzky is a diving medical specialist on contract at Defence Research and Development Toronto from 1998 to 2005. Previously he was the Canadian Forces Staff Officer in Hyperbaric Medicine at DCIEM (1986-1993) and later the Senior Medical Officer at GarrisonSupport Unit Toronto (1993-1998). He has been on the Board of Advisors for the International Association of Nitrox and Technical Divers (IANTD) since 2000, and is an active cave, trimix and closed circuit rebreather diver/instructor/instructor trainer. Additional information: Dr. K. David Sawatzky SC, CD, BMedSc, MSc, MD |
 | Gradient FactorsMatti Anttila,Ph.D. - 2011-07-18 This informative article gives excellent insight into understanding decompression theory along with gradient factors. Matti Anttila is an engineer with a M.Sc. degree in technical physics and Ph.D. in spaceflight instrumentation, so diving science is close to his heart. He was trained as a minehunter diver in the Finnish Navy in 1995 using semi-closed rebreathers. In the late 1990’s he began teaching technical diving in Finland, and currently he is a trimix instructor trainer with IANTD, in addition to being on their Board of Advisors. Additional information: Matti Anttila, Ph.D.
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 | Oxygen Sensor Life in RebreathersMark Derrick - 2011-02-17 IANTD O2ptima CCR Instructor, Mark Derrick, shows how to best use and care for your O2 sensors in order to safely maximize their life and efficacy. Additional information: Mark Derrick Phone: 1-866-498-6857
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 | Oxygen Sensors: Understanding Serial Numbers & Sensor LifeMark Colonnese - 2011-01-31 Oxygen sensors have a finite life. Learn how to understand the date code and avoid diving with aged sensors. Additional information: Analytical Industries, Inc. 2855 Metropolitan Place Phone: 909-392-6900
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| O2ptima Harness & Wing RecommendationLamar Hires - 2010-09-01 Recommended harness and wing for the O2ptima rebreather, including Lamar's personal set up. Additional information: Lamar Hires Lake City, FL 32055 Phone: 386-752-1087
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| Rebreather Sidemount Bailout for Cave DiversLamar Hires - 2008-10-01 Lamar writes about how sidemount bailout is a benefit for rebreather divers and gives advice on how it's done. Additional information: Lamar Hires
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Breathing Like A FishPetros J. Katsioloudis, PhD - 2010-10-11 Being able to dive and breathe underwater has been a challenge for thousands of years. Read this enlightening article about the technology of rebreathers and how they are helping divers to do just that. Additional information: Petros J. Katsioloudis, PhD
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