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Re: Aquatic Plants Digest V5 #158

>Scott H. wrote:
>BTW, how much a risk is glycerine, anyhow?  Petroleum distillates, even
>relatively non-aromatic ones like so-called mineral oil, would ride
>like a film on the tank water surface until skimmed off (not an
>attractive thought).  But what about glycerine?  Some humans imbibe it
>frequently -- it's the stuff used to keep tobacco leaves supple after
>they are harversted.  However, that's not a ringing endorsement, is it?
>Anyhow, we wouldn't expect it to be nutragenic ;-)

It is nontoxic enough that it's used in some foods, particularly in
candies, where it helps creamy centers of chocolates stay soft.  I don't
know if that means it's safe for fish in the tank, but we've all probably
eaten it at some time or another.

Diane Brown