how much headspace is too much - Home Brew Forums
Register Now For Free!

Home Brew Forums > Wine, Mead, Cider, Sake & Soda > Winemaking Forum > how much headspace is too much

Thread Tools
Old 08-11-2006, 12:37 PM   #1
Apr 2006
central PA
Posts: 36

I do about equal amounts of wine with raw fruits and concentrates I buy from a supplier. I can control the size of the batch much more easily with raw fruits. Most concentrates are intended to make a specific volume (e.g., 5 gallons).

My last concentrate batch was a Gamay. One 46-ounce can makes 5 gallons. I followed all directions appropriate, first fermenting in a food-grade bucket, etc. etc. then racking to a carboy, which happens to be 6 gallons.

Because of the gases produced during primary fermentation, I am not concerned with the several inches of headspace between the top of the must and either a towel or lid over the bucket, but after the 5-gallon batch goes to the 6-gallon carboy, there's a fair amount of headspace.

I left it in the secondary for 2 months at 5 gallons. Only then did I get worried about headspace causing off flavors, so I topped off to about 6 gallons reducing headspace to just an inch or so in the neck. ...Not thinking at the time that I had just diluted my wine by a gallon.

Real question is: how much headspace is too much for wines in secondary fermentation or conditioning when it's not producing enough gas to help prevent off flavors? Do you think my gamay would have been fine if I hadn't topped off?
Secondary: sweet dessert mead
Conditioning: black raspberry port #1, black raspberry port #2; annual apple wines (2); Concord wine
Bottled and being imbibed: Santa's Magic Potion (seasonal holiday ale); gamay beaujolais #1, standard port, blueberry dessert wine, ice wine
Bottled and Aging: dry mead, sack mead
On deck: gamay beaujolais #2, cherry wine, peach wine; Trappist Dubbel; English strong ale

Reply With Quote
Old 08-11-2006, 01:14 PM   #2
Ale's What Cures You!
Yooper's Avatar
Jun 2006
UP of Michigan, Winter Texan
Posts: 69,883
Liked 8088 Times on 5645 Posts

You don't want any headspace in secondary, and you definitely have to top up. Lots of winemakers make "extra" wine in a big bottle and use that to top up after racking. Each time you rack, you'll probably lose a bit. You can top up with a similar commercial or homemade wine, and that would be better than water because it wouldn't dilute your wine. For your gamay, you could buy a cheap bottle of gamay and use that to top up.

Some winemakers use sanitized glass marbles, dropping them in the wine to raise the level so they don't have to top up and risk diluting their wine. The only problem with this that I see is you might get some imported marbles that have lead or something, so you have to be very careful on what you buy.

I have a variety of sizes of carboys, so I might use a 5 gallon first then rack to a 3 gallon and 1 gallon and 1 1.5L bottle, if I have alot of lees. Then, I use the smallest bottle to top up each racking and end up with maybe 4 gallons. Kind of a pain, but it works! I of course "sample" any that doesn't fit into one of my selected containers. I bought a selection of bungs and extra airlocks, so I could probably even use a beer bottle for my "top up" wine.

Broken Leg Brewery
Giving beer a leg to stand on since 2006

Reply With Quote
Thread Tools

Similar Threads
Thread Thread Starter Forum Replies Last Post
Help (with headspace) countryboy45683 Cider Forum 16 10-06-2009 10:30 PM
Headspace? Lovestojam Cider Forum 1 08-23-2009 12:40 PM
How much headspace is necessary? Willy Boner General Techniques 1 03-17-2008 12:47 AM
Keg Headspace PeteOz77 Bottling/Kegging 7 01-20-2008 02:49 PM
too much headspace? trainfever Beginners Beer Brewing Forum 1 11-24-2007 11:38 PM

Forum Jump