My DIY CO2 is not wrong, need some advice - The Planted Tank Forum

 
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post #1 of 10 (permalink) Old 08-30-2003, 02:38 AM Thread Starter
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hi, my setup is 2 cups of sugar, 1 teaspoon of instant yeast, 4 cup of water. I put my bottle under my tank, and attached a air-stone at the end of the airtube. After 24hrs, there is no reaction or CO2 gas..... is there a problem wif my setup? pls advice.
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post #2 of 10 (permalink) Old 08-30-2003, 03:26 AM
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Check for leaks.
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post #3 of 10 (permalink) Old 08-30-2003, 05:36 AM Thread Starter
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hmm... there is no leaks.....
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post #4 of 10 (permalink) Old 08-30-2003, 03:04 PM
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Nick,

Without being there to see your setup one thing comes to mind. How old is that yeast you have in there? Yeast does have an expiration date btw. I make bread here at the house and sometimes it (the yeast) is old and wont make Co2. Check that out.

Mike

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post #5 of 10 (permalink) Old 08-30-2003, 03:24 PM
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is it near a power filter? my filter sometimes sucks up all the bubbles. o yea and regular airstones are bad. are you using a wood one?
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post #6 of 10 (permalink) Old 08-30-2003, 03:37 PM Thread Starter
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oo i am using a regular air-stone.... a few hours ago. i went to check the bottle and a rush of bubbles start to form.... after a few seconds it died down again......
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post #7 of 10 (permalink) Old 08-30-2003, 06:11 PM
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Quote:
Originally Posted by nickpower
hmm... there is no leaks.....
Submerging the bottle will find leaks that soapy water will not find. Submerge and watch for a long time, like 5 minutes.
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post #8 of 10 (permalink) Old 08-31-2003, 12:20 AM
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Quote:
Originally Posted by nickpower
hmm... there is no leaks.....
I bet a chocolate chip cookie that it is leaking.
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post #9 of 10 (permalink) Old 08-31-2003, 10:49 PM
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Sure Fire Test: Submerge the entire set up in a bath tub and leave it there for a while. Come back and first make sure no water has entered the system. Second watch it for a couple minutes and see where the bubbles are coming out (should be the airstone). If there are no bubbles coming either out of the airstone or any leaks, I'd bet you need to get yourself some different Yeast.

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post #10 of 10 (permalink) Old 09-01-2003, 05:02 AM Thread Starter
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oo okok thanx...
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