On Feb 15, 5:01*pm, Wayne Harris > wrote:
> OK, *I need some opinions.
> (First a bit of background.)
> I have some 5 gallon test batches ready for secondary fermentation.
> I have only 6.5 gallon carboys.
>
> As you can see, i will have a lot of headspace with no extra wine to
> "top off" with.
>
> But, *I have access to plenty of Argon gas and a regulator with a flow
> meter so i can apply VERY slowly.
>
> Instead of "topping off" my carboys, can i apply a good thick blanket
> of argon?
> Then apply the vapor lock as per normal.
>
> Thoughts?
> -Wayne

Sure, you can use Argon, just use enough volumes to displace all the
air.

Joe