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Old 11-17-2004, 10:14 PM   #1 (permalink)
 
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i was thinking of putting a T joint on the line coming out of my diy bottle. one end will go to a balloon, and the other end will go to the tank. on both lines i will place a shut off valve (the skrew kind). at night i will shut off the air going to my tank, and it will fill the balloon, then in the morning, i will open the one to the tank, and close the balloon one all but a little crack. hopefully this will allow me to save the co2 that would be used during the night, because plants dont need co2 at night.

anyone think that this could work?
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Old 11-17-2004, 10:14 PM   #2 (permalink)
 
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i was thinking of putting a T joint on the line coming out of my diy bottle. one end will go to a balloon, and the other end will go to the tank. on both lines i will place a shut off valve (the skrew kind). at night i will shut off the air going to my tank, and it will fill the balloon, then in the morning, i will open the one to the tank, and close the balloon one all but a little crack. hopefully this will allow me to save the co2 that would be used during the night, because plants dont need co2 at night.

anyone think that this could work?
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Old 11-17-2004, 11:27 PM   #3 (permalink)
 
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I was under the impression that Plants and CO2 are like humans and O2...we both need it all the time to breath. If I am wrong, please inform me of this....LOL


I do see an issue with your plan though, what size ballon are you planning on using? We are talkin 6 to 8 hours, and I think a ballon would fill out alot and might even explode. Might want to consider a different type of item to hold the extra CO2.
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Old 11-18-2004, 04:18 AM   #4 (permalink)
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CO2 is only used for photosynthesis. It is not useful at night. It may even cause pH swings during the night.

That ballon idea might work. I think there have been other discussions on this in this forum. Search around.
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Old 11-18-2004, 04:32 AM   #5 (permalink)
 
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JERP,

Thats for that info...i was unaware of that guess I need to still learn more about plants.

I like the idea about shutting the CO2 off at night but still dont think a ballon is a good idea. I think my CO2 generator would fill the ballon up in a short time and then explode.

I guess the ONLY way to find out is to try it...or at least just make up a yeast mixture and put a ballon on it and see how long it takes to fill up.

Russell, if you go ahead with the idea...please let me know.
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Old 11-18-2004, 05:46 AM   #6 (permalink)
 
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i am going to try it out, but you are right, it will probably explode. i have a 3 liter bottle with 1 cup of sugar, and 1.5tbs yeast. it bubbles pretty hard.

actually, i might try it during the day so it doesn't explode and wake my roommate.
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Old 11-20-2004, 09:13 PM   #7 (permalink)
 
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I liked your idea so much that I decided to try it myself.....

I set it up tonight to fill a ballon up....waitting to see how long it takes to fill a punch ballon (16" diameter). Figured get the biggest available to avoid possible problems.

I have 2 2litter bottles, 2Cups sugar, 1tbs yeast, and about 3/4 full of water.
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Old 11-21-2004, 08:26 AM   #8 (permalink)
 
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OK well I had that ballon hooked up for around 12hrs and it did not come anywhere close to exploding but in the morning I did find out that there was not enough pressure in the ballon to create bubbles from it alone.

Small problem might be my yeast is towards the end of its cycle so might have to wait a few days and try it will a fresh batch.
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Old 11-21-2004, 10:10 AM   #9 (permalink)
 
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ive been out of town ever since i posted this topic. i will try it soon though.
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Old 11-21-2004, 04:24 PM   #10 (permalink)
 
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It sounds like a good idea... hope it works, if so i might wanna do it. Just make sure the balloon is on there real tight.
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