cootwo
  • Your Personal Gas Analyzer.
  • World's first dual gas Oxygen and Carbon Monoxide analyzer and data logger.
  • Programmable via Smartphone.
  • Compatible with existing My Nitroxbuddy app.
  • Please see our cootwo support forum for more info.
  • cootwo online class.
Analyze
Place cootwo in front of the tank you want to analyze (or use the BCD LP adapter for better accuracy) and see Oxygen and Carbon Monoxide content on the display or on your smartphone.
Log
Save all your analyses for future reference. See the graphic signature of your analysis. Customize logs with images and descriptions.
Dive
Enjoy your dive with peace of mind as now you know that the gas you are breathing is safe.
Backer Name State Country
Adric Norris KS United States
Alan J. Hu BC Canada
Albert Tang CA United States
Allen Minish AK United States
Andre Peter ZH Switzerland
Andrea Pietroboni RM Italy
Andreas Baumgaertner New Territories Hong Kong
Andrew Davies United Kingdom
Andrew Ito CA United States
Andrzej Kudelka NY United States
Andy Brown United Kingdom
Andy Wolski CA United States
Arno Pijnappels Noord-Brabant Netherlands
Arturo Brook CA United States
Barb Makohin CA United States
Barry Hallett NSW Australia
Brian Collins FL United States
Brian Towles TX United States
Bryan Odar NY United States
Caron Wong N/A Hong Kong
Cas Dobbin FL United States
Charles B. Walker LA United States
Chris Hatfield CO United States
Chris Thompson FL United States
Christopher Bell CA United States
Cliff Wener NJ United States
Clifton Clary CO United States
Craig Westcott AB Canada
Dalen Vigil AZ United States
Dan Brown CA United States
darryl ricket FL United States
David K. Dennison TX United States
David Kerber RI United States
David Tragger AB Canada
David Wagner VA United States
Dean Myton OH United States
Dennis Baremans Noord-Brabant Netherlands
Duncan J Ward Beds United Kingdom
Dustin Robley UT United States
eduardo alarcon FL United States
Eric Campbell MI United States
Eric Hans Nilsen AZ United States
Eric Nesvick CA United States
Eric Ohde CA United States
Felix Tremblay QC Canada
Forrest Wilson GA United States
Georg Karbon BZ Italy
Georg Matiaska ZG Switzerland
Glenn Suhd CA United States
Greg Honore CA United States
Gregory Borodiansky NY United States
Harry Franklin VA United States
HUSAIMEE HUSSIN MUKIM SENGKURONG Brunei Darussalam
Hyrum Tatton MT United States
Ivan Lee Singapore Singapore
James E Beeson TX United States
James Tankersley AR United States
Janus Lin CA United States
Jared Maynard FL United States
Jeff Ronner WI United States
Jeff Vance WA United States
Jenny Hsieh CA United States
Jérémy Marchetta Fortin QC Canada
Jim McAlister GA United States
John A Cassese RI United States
John Cheeseman PA United States
John Graton CA United States
John Jude NH United States
John Nevius OR United States
John Paetzold TX United States
John Raber FL United States
John Sasinowski CA United States
John West CO United States
Joo dongil Gyeonggi-do, Korea, Republic of
Kaj Maney Singapore
Ken McCurry FL United States
Kenneth G Strain II TX United States
Kevin Swaidner KY United States
Kris Saw Stockholms Län Sweden
Lauren Dellinger LA United States
Linda Schmidtobreick Region Metropolitana Chile
Luca Crudeli BO Italy
Mal Maloney CA United States
Marcus Hopkins TN United States
Marcus Scharre FL United States
Mathias Naumann Berlin Germany
Matt Johnson NY United States
Matthew Shulman CA United States
Melblourne Briscoe VA United States
Michael Burkett TX United States
Mike Whooley CA United States
Natalie Gibb CA United States
Nick Bostic FL United States
Nick Clark Wimborne United Kingdom
Nikolaus Gaberszig Austria Austria
Norman Cohen OR United States
Patrick McCormick Australia
Paul Carlson GU United States
Pentti Jutila Keski-Suomi Finland
Peter O. Meinert Bayern Germany
Phil Dawson VA United States
Phil Getto TX United States
Pieter Swanepoel Gauteng South Africa
Raymond Chan Kowloon Hong Kong
Rene Koch Taipei County Taiwan
Rhonda Richer London United Kingdom
Richard A Bordelon FL United States
Robert Sandhaus CO United States
Robert Tan Singapore Singapore
Robert Westfall NY United States
Rolf Engelsman Groningen Netherlands
Ronald Peters OR United States
Rory OKeefe ON Canada
Sanghyun Sim WA Australia
Santtu Sipilä Uusimaa Finland
Sasson Mansoori United Kingdom
Scott Beckstead CO United States
Sean Wheeles CA United States
Shawn Girard NY United States
Simone Biagi Italy
Stephen Horte GA United States
Stephen Smith WA United States
Steven Heng MN United States
Steven Pratschler AE United States
Steven R Radis CA United States
Tom Baurle FL United States
Tommy Gilligan FL United States
Tusa chile RM Chile
Tyler Ray FL United States
Victor Markuski MD United States
Vincent J Piccoli PA United States
Vito Rocco NV United States
Warren Zeman NM United States
William Brown FL United States
Wolfgang Kockrow Baden-Württemberg Germany
Wynand Pretorius Khomas Namibia