Diy Co2 Question - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 10-16-2006, 01:57 PM Thread Starter
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Diy Co2 Question

Hey just made my first diy Co2 system and noticed that back pressure from the tank is sending water down the tube i have a check valve but isnt this also making it harder for the Co2 bubbles to get out of the bottle? You have water pushing one way and the Co2 pushing the other way i used a juce container because they are stronger and i think will handle the pressure better so im not worried of it blowing up but wonder if there is a better way to ensure that i get good co2 flow.
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post #2 of 5 (permalink) Old 10-16-2006, 03:29 PM
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That is normal. Placing a check valve inline shouldnt make a difference, at least a notable difference, in the flow from the bottle.

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post #3 of 5 (permalink) Old 10-16-2006, 05:57 PM
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All I can think of to improve this situation is

-use more yeast....faster results
-elevate the DIY bottle, so that there is less pressure head to push against

Good luck!

-Ernie


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post #4 of 5 (permalink) Old 10-16-2006, 07:02 PM
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As noted in another thread, someone stated that the water you use starting the co2 bottle is warm, and as it cools, it contracts, bringing water up the tube. Once it's temp levels off and the yeast starts producing more co2, it will get going back the other way.

If it is pulling too much water and reaching your check valve, you may need to use cooler water when starting your bottle.

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post #5 of 5 (permalink) Old 10-17-2006, 04:13 AM
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Oh, keep your bottle warm. Yeast likes warm. Wrap it up it up in a towel or something. I saw slightly better results when I did this. Then I moved the bottle lower and under my tank...it's warm in there because of the pumps and everything, and my production went up a little more.

If it's a new mix, give it a few hours until it produces a good supply of CO2.
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