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Ah, that one. I called the original manufacturer when I first got interested, but he had stopped making them. He used to use a yoke attachment so you could blow air thru it for 5 or 10 minutes.
But try it if you'd like. Not much invested to see...* CO-PRO is intended only as a detector of carbon monoxide and is not a substitute for proper testing or inspection of breathing air.
Let me know how the Pocket CO works out...??
Thanks for sharing that experience. Some might question just how bad 11 ppm could be, even at depth - but the risk process is complicated, plus you have to wonder - if that got thru, what else might have. The filler seems sincere enough, and you have to wonder how it happened - but it happens.DandyDon, A big thanks for all your effort, extensive writings and concern for the safety of our diving community. Learning through your discussions I also purchased an Analox CO tester. My typical diving is the West Palm Beach area of FL were the profile is 2-3 dives to 80-90'. Over the last year of testing every tank I've found only one instance of 2 tanks with 3 ppm CO.
This last week I picked up my 2 - Steel 100s and discovered 11 ppm in each. Normally, I will test the tanks before filling and right after. My mistake this day was to test the of morning of the dive, 140 miles from the filling dive shop. I made a call back to inform the owner of the issue. He was concerned yet couldn't figure how it might of happened, his equipment tested fine on the last inspection and has inline filters/alarms.
This reaffirms your point, CO poisoning could happen at any time from any dive store, even those in the USA that regularly test, have CO filters/alarms. It's our lives at risk and it's only smart to mitigate out this through a decent tester. My two buddies diving with me saw first hand what can happen and now are believers.
Keep up the good work, and again thanks!