Help with my refilled DIY Co2 bottle - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 07-21-2006, 07:33 PM Thread Starter
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Red face Help with my refilled DIY Co2 bottle

I have a gatorade bottle I used my first time out in DIY, it ran great. I replensihed the solution and its not bubbling at all. I have retried again to no avail. First time I used like 4 cups of sugar, this time 2. I am using a glass diffuser and a regular diffuser, neither of which are now working (bubbling)

What am I missing here?

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post #2 of 11 (permalink) Old 07-21-2006, 07:45 PM
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Assuming you have a 2 liter bottle gatoraid bottle, try this recipe:

2 cups sugar
2 Tbsp protien drink mix (like you get at GNC, I use vanilla, yummm)
1 tsp baking soda
1/3 tsp yeast

Make sure that you dissolve the sugar in warm water, but wait until it cools down to mix in the yeast. Hot water will kill yeast. What I normally do is dissolve the yeast in a small cup, and then pour this into the big bottle after the big bottle cools down.

Keep in mind that sometimes it can take as much as 48 hours to get it bubbling again. Leaving the "gunk" in the bottom will help give it a jumpstart.


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post #3 of 11 (permalink) Old 07-22-2006, 02:15 AM
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When I made my DIY C02 system, I could not get it to bubble either. I then put everything in a bucket of water and sure enough, I found a few leaks. Just enough to let the gas leak out and not in the tank. I used silicon to seal up all the joints where the hose went through the bottle cap and it solved the leak problems.
If you read your yeast packet, it might say something like 100 to 110 degrees to desolve the yeast. This is what I do and it works good for me. But it depends on your brand of yeast I think.

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post #4 of 11 (permalink) Old 07-22-2006, 01:30 PM
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I never had to do any submerging to see if there was a leak - I could smell the darned stuff from several feet so knew there was a problem. What I used to stop leaks was old plumbers putty. Must be a bit aged as the new stuff is a bit too moldable (and consequently won't stop the leak for long)

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post #5 of 11 (permalink) Old 07-23-2006, 02:24 AM
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How long did you wait before it bubbles on the first batch of yeast you ran? It usually takes about 12 hour before you will start seeing bubble:however it varies. Is possible your yeast was dead before it had any chance to start production. Lukewarm water remember and keeping your yeast warm is the key.
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post #6 of 11 (permalink) Old 07-23-2006, 02:25 AM
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Any luck getting it to bubble?


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post #7 of 11 (permalink) Old 07-24-2006, 04:13 PM Thread Starter
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None, even after a 4th try at the mix. It just doesnt make sense.
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post #8 of 11 (permalink) Old 07-24-2006, 04:24 PM
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Depending on how much open space is in the bottle it could take a few days to build enough pressure to actually bubble. I use a 2ltr bottle and 4 cups water and 4 cups sugar which is double the recipe. I was bubbling away in less than 20 minutes. I didnt use any sealant on my cap either.

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post #9 of 11 (permalink) Old 07-24-2006, 05:09 PM
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I've heard a shot of molassas will jumpstart it too.

You might have a bad batch of yeast. Maybe buy a new packet?


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post #10 of 11 (permalink) Old 07-24-2006, 05:10 PM
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Go buy some new yeast, maybe it went bad.


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post #11 of 11 (permalink) Old 07-25-2006, 12:50 AM
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i found this link useful, it will produce co2 for like 4 weeks on a 2 liter DIY co2, and comments on this mixture http://aquariumboard.com/forums/689-post3.html

20 Gal. JBJ 2x65watts CF, ADA Aquasoil, JBJ Pressurized Co2, Rhinox 3000 and Aquaclear 50 (Current Tank)
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29 Gal. Coralife 130watts CF, ADA Aquasoil, JBJ Pressurized c02,Rhinox 2000 and Xp2 (RETIRED)
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20L 65watts CF , 100 % Eco-Complete, JBJ Pressurized co2 w/ Rhinox 1000 and Fluval 203 (RETIRED)
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