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Q: build or buy hyperic (carbondioxide) chamber ? ( No Answer,   4 Comments )
Subject: build or buy hyperic (carbondioxide) chamber ?
Category: Science
Asked by: illycatsupergalactic-ga
List Price: $50.00
Posted: 31 Oct 2006 03:33 PST
Expires: 30 Nov 2006 03:33 PST
Question ID: 778727
I was wondering if I or someone could build or have a device the is
like a hyperbaric oxygen chamber but bigger and for vegetables and
plants and with carbon dioxide instead of oxygen if i need to build my
own how thanks.

I have emailed a couple of companys who manufacture oxygen chambers
but they never got back to me,also I know some companys have co2 pumps
but thats not exactly what i am looking for

Request for Question Clarification by pafalafa-ga on 01 Nov 2006 10:02 PST
Are you sure a hyperbaric chamber is really what you have in mind?

Such chambers operate at higher than atmospheric pressure (which is a
very large part of the reason they are so expensive).

It seems to me that it would be much easier to elevate CO2
concentrations than it would be to elevate both concentration and
overall pressure.

So...just to be sure...can you verify that an increased pressure is
what you're after, along with an increase in CO2 concentrations.



Clarification of Question by illycatsupergalactic-ga on 08 Nov 2006 01:21 PST
i believe that the higher atmospheric pressure is what i am after
cause i believe that is the way the earth was at one time which was
the cause of larger plants and animals like in the dinosaur times if
you could recreate the pressure the plants should grow like they did
back then

Request for Question Clarification by pafalafa-ga on 08 Nov 2006 09:09 PST
I'm not sure what size you have in mind -- or what kind of budget you
have -- but something like this might do the trick:
...The Gas Exchange Chamber is an environmentally sealed chamber
originally designed for monitoring plant performance in closed

They don't explicitly mention press-regulation, but from the look of
it, it certainly seems it could be operated at greater than
atmospheric pressures.

Let me know what you think.

There is no answer at this time.

Subject: Re: build or buy hyperic (carbondioxide) chamber ?
From: dops-ga on 31 Oct 2006 07:29 PST
Look at Percival, EGC and Conviron. All of these should (or did) make
plant growth chambers that allow you to regulate CO2 levels. I've used
one from EGC in the 90s. They are not inexpensive. You're looking at
Subject: Re: build or buy hyperic (carbondioxide) chamber ?
From: markvmd-ga on 31 Oct 2006 18:14 PST
Wouldn't you call that a hypercapnic chamber?
Subject: Re: build or buy hyperic (carbondioxide) chamber ?
From: ruddog-ga on 14 Nov 2006 07:05 PST
I too am interested in experimentation w/hyperbaric growing
conditions.  I have wrestled w/the idea of somehow converting a fish
tank or creating a small inexpensive air tight chamber to use.  I
don't have 10k to shell out for this though.
Subject: Re: build or buy hyperic (carbondioxide) chamber ?
From: ruddog-ga on 14 Nov 2006 11:41 PST
I found some good information that may help you out w/your experiment.
 It seems that Dr. Kei Mori has done some of this experimentation
already.  The following link also has information on Sonic Bloom which
is quite fascinating as well.  If you want to e-mail me directly you
can at  The link I was mentioning is  Really neat
stuff.  Let me know what you think.

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