You wrote: > >Should a regulator be cleaned for pure O2 or is it another B.S. O2 cleaning ? > Gil. > Gil, This is one of the purest forms of bullshit in existance. This is a lie that is being propogated by dive equipment manufacturers, dive shops, and dive training agencies to separate the diving public from their hard earned money. Ignition of pure oxygen is only a problem at pressures OVER 10,000 psig. NOAA and other agencies and individuals have been partial filling cylinders using pure oxygen for better than 50 years as well as using standard off the shelf regulators WITHOUT failure of any of these devices due to filling or breathing pure oxygen. -Joan-
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