Quote:
| Originally Posted by Ainsleyberryman When explaining deco and slow ascents after your safety stop I used to shake up a bottle of coke and get the guests/students to open it. They all of course opened it slowly, seeing the bubbles and controlling the opening. This was a very good way of slowing their ascents at the end of their dives and generally helped people visualise what was actually going on very well.
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I went so far as to take a soda stream machine to a lecture once.
Shake water - not many bubbles, add CO2, release pressure - bubbles, shake carbonated water - more bubbles
