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RE: Aquatic Plants Digest V3 #546

I give mine commercial "yeast nutrient" (fairly cheap and don't need much)
which according to the package contains Diammonium Phosphate and Ammonium
Sulphate. Not sure how these chemical constituents compare with cat pee but
they seem to help my yeast along to about three-four weeks worth of happy

Phil Bixby
York, UK

> From: Zxcvbob at aol_com
> Subject: nitrogen source for DIY "yeast bottle" CO2
> Does anybody feed their yeast anything but sugar?  It seems like
> the yeasties
> would need a source of nitrogen to build proteins.  Ammonia?  Ammonium
> phosphate?  potasium nitrate?  Cat pee?
> Seriously, I thought I might give mine a little dogfood.
> bob