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-   -   CO2 Generator? (http://www.molecularstation.com/forum/chemistry-forum/44325-co2-generator.html)

crows_32@yahoo.com.au 12-04-2003 11:33 AM

CO2 Generator?
 
I have recently heard of mixing yeast, sugar, and warm water to create
a CO2 Generator from the fermentation process. If CO2 Generation is
the objective, can someone tell me what is the best ratio (for the
starter mixture) of sugar:yeast:warm water to produce CO2?

Dan Listermann 12-04-2003 01:27 PM

CO2 Generator?
 

<[Only registered and activated users can see links. Click Here To Register...].au> wrote in message
news:f88273ed.0312040333.49bcc540@posting.google.c om...

About 2 to 2.5 pounds to make a gallon. It won't work without yeast
nutrient. Use EC-1118 yeast.



Eric Schreiber 12-04-2003 02:03 PM

CO2 Generator?
 
[Only registered and activated users can see links. Click Here To Register...] wrote:


I have used with good success the following:

1 liter of warm water
1.5 cups of sugar
1 teaspoon of Red Star yeast

I've experimented with adding small amounts of flour and/or baking
soda, with no large difference noticed.

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John D. Misrahi 12-04-2003 02:16 PM

CO2 Generator?
 
What's it for ? House plants?

Eric Schreiber wrote in message ...



Ryan 12-04-2003 03:41 PM

CO2 Generator?
 
That's what I'm wondering. Are these house plants to be grown in a closet
by any chance?



Tony Verhulst 12-04-2003 03:55 PM

CO2 Generator?
 
John D. Misrahi wrote:

Aquarium plants, quite likely.

Tony V.


Dan Listermann 12-04-2003 04:00 PM

CO2 Generator?
 

"Ryan" <[Only registered and activated users can see links. Click Here To Register...]> wrote in message
news:HAIzb.75228$[Only registered and activated users can see links. Click Here To Register...]. com...

We get funny calls like that at the shop all the time. Hell, I would
recommend brewing beer for the CO2. Why not kill two birds with the same
stone?



William Penrose 12-04-2003 05:54 PM

CO2 Generator?
 
On 4 Dec 2003 03:33:25 -0800, [Only registered and activated users can see links. Click Here To Register...] wrote:


If it has to be pure, you better pass it through a dryer and charcoal,
too. There's more than CO2 in them gases.

Bill Penrose


William David Thweatt 12-04-2003 07:28 PM

CO2 Generator?
 
[Only registered and activated users can see links. Click Here To Register...] wrote:
: I have recently heard of mixing yeast, sugar, and warm water to create
: a CO2 Generator from the fermentation process. If CO2 Generation is
: the objective, can someone tell me what is the best ratio (for the
: starter mixture) of sugar:yeast:warm water to produce CO2?

How about a lump of dry ice in a styrofoam ice box?

--
--
William "Dave" Thweatt
Robert E. Welch Postdoctoral Fellow
Chemistry Department
Rice University
Houston, TX
[Only registered and activated users can see links. Click Here To Register...]
[Only registered and activated users can see links. Click Here To Register...]

Eric Schreiber 12-04-2003 10:33 PM

CO2 Generator?
 
"John D. Misrahi" <[Only registered and activated users can see links. Click Here To Register...]> wrote:



Ah, sorry, I had answered without taking a good look at the newsgroups
list. I'm reading this in the aquaria group, where CO2 injection is
regularly used to aid plant growth in planted fish tanks. Some lucky
hobbyists can afford CO2 tanks and valves and such, but many of us get
along with just using a home-made setup involving a 2-liter bottle
with the above ingredients, the CO2 output of which is directed into
the fish tank.


--
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