Quote: (Originally Posted by
wedivebc)

At0.5% a scrubber is considered to have experienced breakthrough. CO2 is way lower than ambient air when a scrubber is reasonably fresh.
Ah, good point, thanks. Any idea what a sensible reading in the loop under normal conditions is?
Cheers,
__________________
Phil (WSKD 0001)
I have always felt that the dive I am on is not nearly important as the dives I plan to be on the rest of my life. Tom Rose, 2007
The person who gets the farthest is generally the one who is willing to do and dare. The sure thing boat never gets far from shore. Charles A. Lindbergh
www.hugsac.org.uk