If it is hydrogen sulfide (rotten egg smell), adding the gas released during
deacidification would have carried some H2S with it. It's not that the
deacidifier causes the smell, just that it makes it much more noticeable.

"Flip" > wrote in message
oups.com...
> **Does your wine smell like a burned match or like rotten eggs?**
>
> Hmm, now that you mention it, it is not like the sulpher smell from a
> typical lager beer fermentaion, maybe it is a bit, "rotton egg".
>
> Anyway, I'm sure is came from the deacidifier product I added. When I
> added it, it foamed like a volcano!
> So what is it about that particular deacidifier that causes this smell?
>