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RE: DIY CO2 injector, Dry Yeast


>Date: Wed, 4 Feb 1998 18:39:57 -0600
>From: Stephen Boulet-CSB046 <Stephen_Boulet-CSB046 at email_mot.com>
>Subject: RE: DIY CO2 injector, Dry Yeast.
>To: Aquatic-Plants at actwin_com
>Message-Id: <"Macintosh.*/PRMD=MOT/ADMD=MOT/C=US/"@MHS>
>X-Mailer: Worldtalk (4.1.1-p1)/STREAM
>>Perhaps you should use white granulated sugar.  I used to get 11-13 days 
>>on a bottle of DIY CO2.  3/4 cup sugar, 1 teaspoon yeast, rest lukewarm 
>>water.  I used dry yeast, a rapid-rise brand.  However, always made sure 
>>it was fresh (take notice of date when purchasing it, reach for packets 
>>toward the back of  supermarket shelves).  On my 120 gal I had two DIY 
>>CO2 generators.  That allowed me to use 2 teaspoons of a fresh package 
>>of dry yeast each time. (yes, I would throw some away.)  My experience 
>>was if I used what remained in the packet at some later time I would 
>>only get about 7-8 days of CO2 
>Has anyone seen any difference in DIY CO2 production as a function of the 
>height of the reactor bottle and the height of the output of the tube 
>running into the tank?
>Most aquariums are on stands, and most CO2 reactors are under the aquarium. 
>At some point the reactor would have to produce too much pressure to force 
>the CO2 up the tube (would this kill the yeast or shorten their life?).  I 
>find I get better CO2 production when I can raise the bottle a bit.
>-- Stephen Boulet
>stephenbou at aol_com