yeast problem?
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Old 06-15-2004, 08:55 AM   #1
edo
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yeast problem?


my diy co2 yeast recipe was doing fine. i started it on the 11th. but then it stopped producing today, the 15th. i dunno what the problem is. mmy bro said he was squeezing the bottle alot. was that probably it? if not, what could the problem be. i just started a new batch of yeast solution crap...
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Old 06-15-2004, 09:02 AM   #2
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What recipe are you using? How much sugar, yeast, etc... It will probably depend on that.
For example, more yeast means greater output, but less "lifespan." But less yeast means a longer lasting batch, but lower rate.

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Old 06-15-2004, 01:44 PM   #3
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Default test for leaks

I'd submerge the generator in a bucket of water to test for leaks before I did anything else. I've used Liquid Nails on the outside of the cap and sealed an active leak at the airline inlet.
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Old 06-15-2004, 07:43 PM   #4
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the recipe im using is:
1/4 tsp yeast
1/4 tsp baking soda
2 cups sugar
6 cups warm water

i sealed the top of every bottle with epoxy when i started, but ill check again i guess.
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Old 06-15-2004, 08:07 PM   #5
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how do u guys mix it? i usually put all that stuff in the 2 liter bottle and shake the hell out of it...
also, the new batch that i made is pretty weak too.
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Old 06-15-2004, 08:48 PM   #6
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I'd say look for leaks - that recipe seems fine. Also, I just put it all in, in any order, and shake.

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Old 06-16-2004, 10:15 PM   #7
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just wondering, does shaking make you lose co2 at all? and how much should i shake it. sounds like a stupid question, but i jsut shake until all that crap at the bottom (sugar and yeast) are mixed into the water.
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Old 06-16-2004, 10:21 PM   #8
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Well, if it's a new batch you're mixing, no CO2 loss will occur, since there is none yet.

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Old 06-17-2004, 05:49 AM   #9
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ok. i checked for leaks. there was one. i sealed it up and it works fine now.
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Old 06-17-2004, 06:15 AM   #10
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Great to hear!

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Old 07-15-2004, 03:03 AM   #11
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Quote:
Originally Posted by cich
What recipe are you using? How much sugar, yeast, etc... It will probably depend on that.
For example, more yeast means greater output, but less "lifespan." But less yeast means a longer lasting batch, but lower rate.

--cich
Thanks for that info... I had the same concern... I put in 1 tsp of yeast and 2 1/2 cups of sugar.... and I got like 1/4 the sugar left. Instead of adding 1 tsp of yeast.... how much should I add?
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Old 07-15-2004, 04:48 PM   #12
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if it's a 2 liter bottle, 2 cups of sugar is too much. i wouldn't go over 1.5 cups in a 2litre bottle, and 1/4teaspoon of healthy yeast is all that's needed.
It's partially about initial yeast used like cich said, but also about total sugar used. When yeast converts sugar to CO2, alcohol is also produced. Too much sugar means too much alcohol, and too much alcohol means dead yeast before all the sugar gets used.

I use a 1 gallon jug, which is like 3.8 liters i think. I use 2 cups sugar, and 1/4tsp yeast. This lasts from 4-6weeks, depending on the temp in the room.
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Old 07-15-2004, 05:18 PM   #13
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my co2 has been running flawlessly for about a month. i think it can go for maybe1.5-2 months because the baking soda stabilizes and helps alot. i think the next batch ill try cutting down on sugar and ill post what happens.
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Old 07-15-2004, 07:04 PM   #14
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I use 2 cups of sugar and have gotten a month out of my Co2 also.
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