Gelatine CO2 - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 01-21-2008, 02:29 AM Thread Starter
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Gelatine CO2

For those of you discouraged by gelatine co2 due to time restraints, and not wanting to put it off til the next day, I have your solution, and possibly an improvement to the entire theory.

I simply cooked up 6 ounces of Knox gelatine(no colors, flavor or sugars) with 1.5 cups of sugar in 1 liter of water. I then added it to my 2L bottle while running cold tap water over the bottle(to keep the bottle from melting).

Once I had all the gelatine sugar mix in the bottle, I filled a one gallon pitcher with enough ice, rock salt and water to cover my 2L bottle to above the line of gelatine. I then spun, shook and all around agitated my bottle inside this pitcher to cool the mixture. This achieved two things; first, it cooled the mixture much faster than simply sticking it in the fridge, and second, it cooled the mixture in a foam state, due to the shaking. This greatly increased the surface area of the gelatin, but still kept the sugar locked inside the mixture.

I'm about to add 1/2 cup of water, with 3/4 tsp of yeast, after allowing the yeast to live through its aerobic life cycle. Hopefully this will increase my bubble rate just slightly(due to 3/4 instead of 1/2 tsp of yeast) while keeping my culture lifespan relatively close to my current one(2 weeks).

I'll post back and let you guys know how it goes.
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post #2 of 7 (permalink) Old 01-21-2008, 02:41 AM
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gelatin does not help at all.
it's this hobby's urban legend.

I tried it, and found the yeast
was unable to get at a lot of
the sugar, so the mix ended
up generating less Co2, not
the same over a longer time.


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post #3 of 7 (permalink) Old 01-21-2008, 03:00 AM Thread Starter
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Ahhhh boo!

Oh well, worth a shot anyway. I created more surface area in my bottle, and also increased the amount of yeast, so we'll see what happens. I could, in fact, have higher BPM and shorter yield due to my increase surface area.
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post #4 of 7 (permalink) Old 01-21-2008, 03:56 AM
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Quote:
Originally Posted by spypet View Post
gelatin does not help at all.
it's this hobby's urban legend.

I tried it, and found the yeast
was unable to get at a lot of
the sugar, so the mix ended
up generating less Co2, not
the same over a longer time.
Well you tried it, How does that make it a Urban legend when other people have had results from gelation.
It may produce less co2 and it should be more constient. But Jell-O on the other hand has alot of sugar and will create alot of co2.

http://www.aquatic-plants.org/articl...es/04_co2.html

One month in.
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post #5 of 7 (permalink) Old 01-21-2008, 04:26 AM
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i use 2 bottles of this that produce <1bps. lasted for a month.


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post #6 of 7 (permalink) Old 01-21-2008, 04:44 AM
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Quote:
Originally Posted by frozenbarb View Post
Well you tried it, How does that make it a Urban legend when other people have had results from gelation.
yes, the one thing you learn on these threads is everyone has different experiences with the same issue. however, in all fairness to my original statement, I didn't just try it once, I tried it bi-weekly for several Months at different concentrations, and at no time did I notice any benefit.

I do however, add a teaspoon of whey protein powder to every 2 liter mix, not because I actually perceive it making any real difference, just that I happen to have a container of Muscle Milk laying around to waste, so I figure, what the hell.

as for ikuzo noticing it last for a Month, I have an answer for that as well. after recharging my DIY Co2 on multiple tanks the past 2 years, I occasionally notice a waning (no gelatin) normally 2-3 week batch get a second wind, and then last an extra week of Co2 production for no apparent reason. I suggest that's what ikuzu noticed, and it may have had nothing to do with the use of Gelatin, unless of course he noticed this Month long lasting batch happening on a reoccurring Monthly basis, which is very doubtful.


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post #7 of 7 (permalink) Old 01-26-2008, 04:05 AM Thread Starter
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Still approximately 1BPS FYI.
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