Diy CO2 not working - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 03-16-2015, 02:12 PM Thread Starter
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Diy CO2 not working

I made 2 soda bottles of yeast and sugar mix for my back-up tank. Its been more than 12 hrs but im not seeing any CO2 bubbles. Could it be because?

A leak?
Temperature? Tank is in the basement. Average temp there is 55F
Light? Does yeast need light? The soda bottles are inside the stand. No light.
Expired yeast? The yeast had an expire date 10/2014
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post #2 of 8 (permalink) Old 03-16-2015, 02:29 PM
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Probably temperature.

Give it more time.
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post #3 of 8 (permalink) Old 03-16-2015, 02:35 PM
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If you are using a glass diffuser, you will never see any bubbles.



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post #4 of 8 (permalink) Old 03-16-2015, 02:37 PM Thread Starter
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No diffuser. Just an airstone close to a pump intake.
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post #5 of 8 (permalink) Old 03-16-2015, 02:46 PM
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The first most likely thing is always a leak. Im not sure exactly how the low temp is going to affect things, but it will probably slow them down considerably. May just need more time like Bruce said. Could also be bad yeast, especially if it was stored in a not so cool place. I always proof the yeast first, even the kind that doesnt need proofing. That way I know the yeast is good.


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post #6 of 8 (permalink) Old 03-16-2015, 05:18 PM Thread Starter
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I will just restart everything I guess. I will start with the yeast. Thanks for the input guys.
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post #7 of 8 (permalink) Old 03-17-2015, 04:59 AM
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Use a deep pan, filled with water, with a spare small aquarium heater in it, and set the bottles in that. Then the temperature should be eliminated as a problem. To find any leaks, get a bottle of children's bubble wand liquid. Drip some of it at every single joint of any kind in the CO2 system. Wait several minutes, then look for a small mass of tiny bubbles at one or more of those possible leak sites. The leaks that are a big problem can be very, very small leaks.

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post #8 of 8 (permalink) Old 03-17-2015, 09:26 PM Thread Starter
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Update. Yeast was the culprit. Everything is working fine now after I got a fresh pack of yeast from waltermart. Thanks again guys.
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