CO2 tanks and check valves - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 02-22-2005, 04:11 PM Thread Starter
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CO2 tanks and check valves

Okay, this is a newbie question, but I have never used a check valve with my CO2 bottles. Are you using the check to keep the yeast from getting in the tank, or the tank from draining into the yeast bottle? The other day I disconnected my CO2 airline hose before bed and forgot to make sure the water was drained out of the line before I wandered to bed. In the morning the whole tank had drained out, but luckily it was only a 1 gallon tank and I had a towel under it. It drained to the gravel, but I didn't lose any shrimp, thankfully. I don't suppose the check valve is supposed to be to keep stuff like that from happening, is it?
-Aphyosemion

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post #2 of 4 (permalink) Old 02-22-2005, 04:29 PM
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Yes, the check valve is to prevent the flow (gas/water) to flow the wrong way.
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post #3 of 4 (permalink) Old 02-22-2005, 05:19 PM Thread Starter
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Right, but when using it with a CO2 bottle, is it turned to prevent backflow of water or yeast solution from getting in the tank?
-Aphyosemion

Two 1 GA desktops, a 5 gallon, a 2.5 gallon, a 10 gallon, a 20 gallon, a 25 gallon, and two 75 gallon tanks, all planted.
I am an expert on algae, so ask me if you have questions. I know how to grow it, just not how to get rid of it.
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post #4 of 4 (permalink) Old 02-22-2005, 05:51 PM
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Quote:
Originally Posted by Aphyosemion
Right, but when using it with a CO2 bottle, is it turned to prevent backflow of water or yeast solution from getting in the tank?
-Aphyosemion
Well, if you turn it, you might have an early 4th of July...

Check valve in normal direction, then build a seperator bottle to catch the yeasty mix.


2L Bottle -> small bottle in - water in small bottle - small bottle out -> check valve -> diffusor

Just saw a pic of this setup on the forum earlier today...
https://www.plantedtank.net/forums/sh...ad.php?t=14550


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Last edited by jhoetzl; 02-22-2005 at 05:52 PM. Reason: Added Link
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