sofnolime question

Janos

Likewise. I used to do similar with a couple of plastic bags but John's solution is much, much nicer, and can cope with being accidentally knocked over.

Janos

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nigelh

Not in the slightest if I let the head dry throughly first.
OK if I leave it all full of condensation it can be funny on a second dive on the same day.
Yes.
Naturally a major dive always gets a new fill but I don't throw it away automatically. An hour at 20 meters on a half used fill is reasonable no matter when it was last dived. The chemistry is too simple to degrade. Although if I left it two months I would ask serious questions about why I wasn't getting any diving.

Come to think of it I only dive the IDA64 so infrequently I probably am diving fills that are used every few months and I change that out on total run time alone. Admittedly that is a shallow water O2 rebreather so breakthrough would be less serious as CO2 at depth is far more evil.

One thing I have discovered from the temp stick on the Vision upgrade is how long a poor old wimp like me can run a scrubber. I'm too lazy to use much oxygen. I still swap out on time but I am rarely seeing the indicator even get to half way. (the recent Red Sea trip was an exception to this.)

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nigelh

Gill Envy

I have let the head dry out thoroughly, actually for weeks, then sealed it all back up and went on a road trip. the moisture never dried in the counterlungs and the sorb was used and thus more moist and once sealed and in the back of the car condensation built back up in the head over the next 24 hours. it went through callibration OK, but as soon as it was through callibration then it through a low oxygen alarm and kept firing the solenoid. You could see the PO2 shoot up with every firring, the alarm would stop and then the po2 would plumet, and alarm would start again, even though I was reasonbly sure the loop was at nearly %100 o2. it was pretty freaky. We opened up the head, noticed condensation everwhere and positioned it so that the summer sun could dry out the head for about a half hour and all was fine. So, i don't keep the sorb stored inside the rebreather anymore without allowing the head to dry out again overnight preceding a dive.

i have not had problems leaving it all sealed up between dives on the same day.

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Gill Envy

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