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Re: Canisters as CO2 reactors and bubbles in the can

Roger S. Miller wrote, in part:
" Gas -- I think it's mostly air drawn
through the o-ring seal -- sometimes accumulates at the top of the
canister and that can cause some noise."

Even in a well sealed canister, if the media is well "cultured" and
perhaps a bit restricted with collected material, then gas bublles can
develop from within the canister (from the culture itself perhaps?),
can they not?  The vapor pressure is possibly lower in the canister
when the media becomes loaded and that might make it easier for bubbles
to form within the canister when they otherwise would not.

Scott H.

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