RE: [APD] c02 in a 5.5

["Si Griffiths" <si_griffiths at icdlabs.demon.co.uk>]

Also when using yeast injection get a pH kit and test often until you
get your mix right.

You want to be aiming for 6.5+ depening on plants and fish.  Here in an
80l I get a drop to 6.9 in the morning after injecting CO2 all night.

Hope this helps and I agree with Vaughn on how to reduce the amount of
CO2 produced.

Cheers,

Si.

> -----Original Message-----
> From:
> aquatic-plants-bounces+si_griffiths=icdlabs.demon.co.uk at actwin
> .com
> [mailto:aquatic-plants-bounces+si.griffiths=icdlabs.demon.co.u
> k at actwin_com] On Behalf Of Vaughn Hopkins
> Sent: 15 June 2005 18:25
> To: James H; aquatic plants digest
> Subject: Re: [APD] c02 in a 5.5
>
>
> When I used DIY yeast CO2 I used a 3 liter bottle with 3 cups
> sugar and
> 3/8 tsp of yeast, plus nothing else.  I got that recipe from
> those who
> used 2 liter bottles with 2 cups sugar and 1/4 tsp yeast
> (regular bread
> yeast).  It gave me a bubble about every second and lasted a
> couple of
> weeks.  I think you have far too much yeast in your bottle.  In fact
> for such a small tank I would use 1/8 tsp yeast, two cups
> sugar and no
> baking soda or salt.  The quantity of  yeast controls how
> fast the CO2
> is produced and the amount of sugar determines roughly how long it
> lasts.  At least that is how I understood it.
>
>
> On Wednesday, June 15, 2005, at 10:07 AM, James H wrote:
>
> > im injecting co2 through the yeast method into my 5.5g tank and im
> > having problems with the co2 being at too high levels and
> its starting
> > to stress the fish especially my cories.  im using a 2l pop bottle
> > with 3/4c sugar 1/2tsp yeast and 1/4tsp baking soda and a pinch of
> > salt, without the salt i get way too much co2 a constant
> stream infact
> > and if i add anymore than a pinch i get no co2 at all, im
> wondering if
> > anyone knows how to lower the production or should i get a smaller
> > bottle and reduce the recipe? James
> >
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