Mailing List Archive

Mailing List: techdiver

Message Display

> I have also run the cannister to near exhaustion on purpose in the shallows
> and noticed  the co2 absorbtion seemed to slowly be reduced whereas the
> scrubber seemed to run out much more abruptly at depth.

Interesting.  I've never tried to push the canister any deeper than about 
30 feet.  Maybe I should sometime?

> Rich when you say that the indicator is unreliable what do you mean and how
> did you arrive at this conclusion?

I mean it is unreliable because it indicates the level of CO2 on the 
surface of the particles, which can be high immediately after a dive, but 
might diminish after several hours.  If you take some purple absorbent, 
then let it sit overnight, it will be white again in the morning; but the 
absorbent will still be mostly spent.  Also, the folks at OC Lugo told me 
the indicater was almost useless, but this was a couple of years ago, so 
that may have changed.

> BTW the manufacturers say the same thing
> but I am interested how you determined this.

Both from seeing the stuff change back to white *repeatedly*, and from 
what I have been told by people who know much more about the chemistry 
than I do.

Rich

Navigate by Author: [Previous] [Next] [Author Search Index]
Navigate by Subject: [Previous] [Next] [Subject Search Index]

[Send Reply] [Send Message with New Topic]

[Search Selection] [Mailing List Home] [Home]