On Jun 10, 8:24*am, fishziblu > wrote:
> Hi to all,
> Apart from the main demijohn, I usually store extra juice in smaller
> demijohns/or bottles.
> I use this extra juice to fill up after racking.
>
> Please note that I am a very small wine producer. (70 bottles not
> more)
>
> However I never have the exact amount to fill all the container, and
> endup with a container
> filled with air. Over the fermentation period, this extra juice
> ferments to something of much lesser
> quality than the main one.
>
> Do you have any suggestions on this? Could I use tetrabrik containers,
> where I can remove as much air as I want.
>
> Thanks Fish

Why would you want to top off with juice? Make smaller containers of
the same wine to top off the large ones. See Jack Keller's section on
topping up. Glass marbles should be the last resort.
http://winemaking.jackkeller.net/starting.asp

Stephen