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Old 01-08-2007, 02:25 AM   #31 (permalink)
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I believe we can do more with DIY CO2. We can control input, timer and flow. This was what I was trying when I wrote http://www.plantedtank.net/forums/di...reservoir.html
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Old 01-08-2007, 07:21 PM   #32 (permalink)
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For those still interested in entertaining this idea, has anyone thought of using baloons for storage instead of bottles??
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Old 01-09-2007, 03:58 AM   #33 (permalink)
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Instead of controlling the amount of CO2 physically why not control it chemically? lessen your yeast in the mixture and you will produce CO2 at a lower rate and your mixture will be extended in it's life. The only problem is as with all DIY CO2 there is no precision in it at all just a limitation in the amount of CO2 created at one time. The exact amounts to use I have no idea because there are too many factors to take into account so there will have to be some experimentation with different amount of yeast. But the nice thing about controlling it chemically it won't cost you anything since you already have it all, in fact you'd be cutting costs in your demand for yeast.
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Old 01-14-2007, 02:04 PM   #34 (permalink)
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Quote:
Originally Posted by Rion View Post
Instead of controlling the amount of CO2 physically why not control it chemically? lessen your yeast in the mixture and you will produce CO2 at a lower rate and your mixture will be extended in it's life. The only problem is as with all DIY CO2 there is no precision in it at all just a limitation in the amount of CO2 created at one time. The exact amounts to use I have no idea because there are too many factors to take into account so there will have to be some experimentation with different amount of yeast. But the nice thing about controlling it chemically it won't cost you anything since you already have it all, in fact you'd be cutting costs in your demand for yeast.
That is exactly why I recommended using multiple smaller bottles who's starting times were staggered to produce a more constant average total CO2 output.
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Old 01-14-2007, 05:10 PM   #35 (permalink)
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I think the staggered bottle is a great idea for constant CO2 production. Another thing could be to keep the bottles in a tub of water heated by a regular aquarium heater. The heater could be put on a timer to shut off at night and then turn back on during the day. This would keep the temperature somewhat constant throughout the day, even in the early morning and later at night when the ambient temperature drops.
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Old 01-14-2007, 07:34 PM   #36 (permalink)
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Lol Epicfish thats what i said earlier.
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Wait how about putting the 2 liter bottle in a bucket with an aquarium heater and adjusting the temps to get the bubble rate you want ? higher temps = more co2
lower temps = less co2 But you need to find out what temps yeast will die at and be fine at. ex: lowest temps, highest temps they will survive at .
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Old 01-14-2007, 07:40 PM   #37 (permalink)
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Er, oops. Didn't read the whole thread. =)
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Old 01-14-2007, 07:53 PM   #38 (permalink)
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Its fine
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