Then there's always the option of drinking the excess.

"Dar V" > wrote:
> I've saved lots of different sizes of bottles from wine cooler bottles to
> Champaign bottles and then bought smaller sized bungs to go with airlocks.
> Before I had that though, I used to put the excess in a wine bottle and
> covered with a doubled piece of plastic wrap and rubber band. In the last
> few months or so, I have taken to keeping the bottle of excess top-up wine
> (covered with plastic/rubber band) in the fridge.
> Darlene
>
> "Ed Marks" > wrote in message
> ...
> > Besides how you stopper it, if you only have a half full 750 ml bottle,
I
> > suggest you find a smaller bottle you can fill to eliminate the
headspace.
> >
> > "Kim" > wrote in message
> > om...
> > > I'm hoping someone can educate me. I racked my pear wine into a
> > > gallon jug after initial fermentation. I have a half 750 ml bottle
> > > excess that I'd like to use to top off after the 2nd racking.
> > > However, I do not have a stopper/airlock to fit a 750 ml bottle. Can
> > > I just use layers of cheese cloth secured with a rubber band or are
> > > there any other good options? Thanks in advance for any help...Kim