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Rich, =46irst of all s it Drager or Draeger? Sorry about the double tongue. I agree that we are thinking alike on the channeling issue. Channeling is a= subtle danger. Anyone keeping records of their scrubber life could easily= become complacent and not check their scrubber for channeling until their= records indicate it is time to change it. Leon suggest checking after= every dive, but I do it about every three hours.=20 What I am beginning to wonder is exactly what was meant in the original post= by "leakage" caused by distortion. If the canister is leaking scrubber that= would not be a very harmful, but could be a distasteful, problem. If the= spring is putting so much pressure on the canister as to leak water into= the center section and scrubber that sounds much more serious.=20 The CCR 155 has a clear lexan cover housing the center section. Within the= center section is a donut shaped canister containing 7 pounds of scrubber. = Within the center opening of the donut shaped scrubber canister are the= three O2 sensors. Below all of this, well protected from counterlung= eating fish, is the counterlung. What part of this description of the CCR 155 best describes where you think= a leak could have been caused by distortion to the canister in the Drager= as was originally discussed? My impression is that the spring is in the canister. What became distorted,= the canister? If so, how did that affect the integrity of the center sectio= n? BioMarine uses a simple screw top on the canister to provide pressure to= hold the well packed scrubber material. You press on the top, then screw= down a lock in the center of the unit. The pressure is even and constant. Mike
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