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Re: [APD] DIY CO2 recipe for 20 gal tank?

If you cut the food supply in the same size container, the
yeast will mutiply to the maximum size population (in just
a few hours or overnight, give or take) and then consume
the food faster, so its' sort of same flame but shorter

An easier way to temper the output is to use a smaller
container where the perecentage buildup in alcohol happens
quicker (vefore the poipulation gets as large) and tempers
the maximum population size and thus, the output.

It's easier to just bleed off some of the CO2, or add
surface agitation in the aquarium to cause the aquarium to
shed CO2 faster. It depends on how much one values the

Good luck, sh

--- Kelleen Harris <kelleen_harris at csumb_edu> wrote:

> Hey, I almost fell for that last joke about the fish tank
> on the radiator too! But the following question is quite
> real, so please help if you can.
> Anybody have a good recipe for diy CO2 for a 20 gallon
> tank? 
> I currently have a 50 gallon and I use 1.5 cups white
> sugar, 1/2 tsp yeast, and 1/2 tsp baking soda. It has
> worked great, so I gave this recipe to my friend who has
> a 20 gallon. I warned him that it would be way too much
> CO2 for his tank and that he
> would need to cut it back, but we didn't know by how much
> to alter the ingredients. He got his lights ready, up to
> about 3wpg, so CO2 was the next step. 
> Anyway, he guessed at a smaller recipe and it apparently
> wasn't small enough, because a couple of his fish died so
> he discontinued the CO2. He said the fish got white lips.
> Are white lips then the first sign you are overdosing
> (other than of course
> the pH and dkH using the CO2 chart, which I'm not sure I
> completely trust)? Is there some formula so that one
> could approximate the correct recipe for any size tank,
> without just chancing it?
> Thanks for any advice,
> Kelleen Harris
> kelleen_harris at csumb_edu
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> Aquatic-Plants at actwin_com
> http://www.actwin.com/mailman/listinfo/aquatic-plants

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