You have most probably got oxidation of your wine. "Grapefruit" smell
is typical of the smell and taste of sherry (try to compare) which is
an oxidized white wine (among other things).

(bob) wrote in message . com>...
> Anyone ever experience a strong grapefruit like smell on white
> wine????? I thought non-volitile acid was ordorless but it smells like
> acid. It doesn't smell like vinegar, hopefully it's not. The wine is
> extremely tart and I inhibited MLF. I really don't want to do MLF so
> does anyone have any suggestions??? Am I just jumping the gun and all
> will be fine ????
>
>
> Bob