A guide to making your own wine

Nothing feels as satisfying and authentic as making your first batch of wine from fresh grapes. And there’s no better time to try it than in early autumn, when grapes all over the Northern hemisphere are ripe for harvest in vineyards and backyard gardens.

Vineyard womanThere are many kinds of grapes to choose from, depending on where you live. Vitis vinifera is the classic choice for flavor, varietal character and historic authenticity. This famous European wine-grape family includes such renowned varieties as Chardonnay, Merlot, Zinfandel and Cabernet Sauvignon.

In the United States, to make a sweeping generalization, v. vinifera grapes thrive in California and the Pacific Northwest. They also grow well in microclimates scattered from New York to the Great Lakes, the Mid-Atlantic states and beyond.

Those who live in colder, wetter climates may not be able to find v. vinifera grapes grown locally. Don’t be discouraged. Fine hybrids and Vitis labrusca grapes, which are less susceptible to cold and disease, may be growing near your home. Other options include ordering grapes through your favorite local winemaking shop or from a produce wholesaler. Whatever kind of grapes you use, the general techniques, equipment and ingredients are the same. Here’s an overview of some key steps along the way.

Inspecting the Fruit

Winemaking starts with inspecting the grapes. Make sure they are ripe by squishing up a good double handful, straining the juice and measuring the sugar level with a hydrometer, a handy device you can buy at a winemaking supply shop. The sugar density should be around 22° Brix – this equals 1.0982 specific gravity or 11 percent potential alcohol – and the fruit should taste sweet, ripe and slightly tart.

The grapes also must be clean, sound and relatively free of insects and other vineyard debris. Discard any grapes that look rotten or otherwise suspicious. Also, it’s very important that all the stems are removed, since they will make your wine bitter.

Keeping it Clean

Winemaking demands a sanitary environment. Wash all of your equipment thoroughly with hot water, boiling what you can. It’s also wise to arm yourself with a strong sulfite solution to rinse any equipment that comes in contact with your wine. To make it, add 3 tablespoons of sulfite powder (potassium metabisulfite) to a gallon of water and mix well.

Adjusting the Juice

Adjusting the juice or “must” of your wine is critical. Luckily, it’s also easy. Acid content is measured with a simple titration kit; you can buy one at a supply shop. The ideal acid level is 6 to 7 grams per liter for dry reds and 6.5 to 7.5 grams per liter
for dry whites.

Transportation of red grapes just harvested in FranceHere’s an example: If your must measures 5.5 grams per liter, then you need to add 1 gram per liter of tartaric acid to bring it up to 6.5 g/L. Since 0.2642 gallons equals 1 liter, 1 g/L is equivalent to adding 3.8 grams of tartaric acid to your one-gallon batch. Add this powder in one-eighth teaspoon intervals, checking acidity carefully after each addition, until the desired level is reached. You can buy tartaric acid at your supply shop.

You also need to monitor the sugar level with your hydrometer. The must should be about 22° Brix for both reds and whites. To bring the sugar concentration up, make a sugar syrup by dissolving one cup sugar into one-third cup of water. Bring it to a boil in a saucepan and immediately remove from heat. Cool before adding in small amounts, one tablespoon at a time, until the desired degrees Brix and specific gravity is reached. To lower the sugar level, simply dilute your must or juice with water.

The temperature of your must can also be adjusted to provide the perfect environment for yeast cells. Warming up the juice gently (don’t cook or boil it!) is an easy way to bring it to pitching temperature without damaging the quality of the wine. Fermentation can sometimes reach into the 80° to 90° F range, though the 70° F range is standard for reds (whites often are fermented at cooler temperatures).

If your grapes have been refrigerated or are too cold, use this unorthodox but quick trick: Heat up a small portion of the juice in the microwave, mix it back into the fermentation pail and re-test the temperature. An electric blanket wrapped around the fermentation pail also works, but takes longer. For cooling, add a re-usable ice pack and stir for a few minutes. Pitch the yeast when the temperature reaches 70° to 75° F for reds and 55° to 65° for whites.

Racking the Wine

“Racking” means transferring the fermenting wine away from sediment. You insert a clear, half-inch diameter plastic hose into the fermenter and siphon the clear wine into another sanitized jug. Then top it off and fit it with a sanitized bung and fermentation lock. This can be a delicate operation and it’s important to go slowly. You don’t want to stir up the sediment, but you don’t want to lose your siphon suction.

Bottling the Batch

Screwcap or cork for wine bottling?Bottling may sound complicated, but it’s really not. To bottle your wine, you simply siphon your finished product into the bottles (leaving about 2 inches of headspace below the rim), insert a cork into the hand corker, position the bottle under the corker and pull the lever. It’s always wise to buy some extra corks and practice with an empty bottle before you do it for real.

Wine bottles can be purchased at home winemaking stores, or you can simply wash and recycle your own bottles. These supply stores also rent hand-corkers and sell corks. You should only buy corks that are tightly sealed in plastic bags because exposure to dust and microbes can spoil your wine. Corks can be sterilized just before bottling, with hot water and a teaspoon of sulfite crystals.

A one-gallon batch will yield about five standard-size (750 ml) bottles of wine. If the fifth bottle isn’t quite full, then either drink that bottle or use smaller bottles to keep the wine. The key is to have full, sealed containers that are capable of aging.

Now you’re ready to make your first batch of fresh-grape wine. The recipes have similar steps and techniques, with one important difference. Red wines are fermented with the skins. White wines are pressed before fermentation. This series continues with a recipe for making white wine and a recipe for making red wine.

Discussions

Vincent Fritzsche blogs on winemaking in Oregon too. You can follow the discussion on wine making by subscribing to the feed on wine making blog RSS or by subscribing to the mailing list of comments available below.

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11 Responses to “A guide to making your own wine”

  1. zawer says:

    thanx for your good information to guide a beginner..
    but if i produce in bulk production i will be glad if u show my products.

  2. bmshetty says:

    could you pls advise how to make wine at home say 1-2 ltr for self consumption.

  3. For a moderate volume of wine, please try my recipe for making red wine at home.

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  5. miani says:

    is thers any other fruit can make wine

  6. Sure. Fruit wines can be made from apples and elderberries, starches like rice, vegetables like carrot or peapod, as well as flowers and herbs such as dandelion, elderflower, and even marijuana. Cider, mead and perry are fruit wines.

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  8. reza says:

    Dear Sir

    In my country wine is forbidden so some times I make it in home so if you do mind I have two questions in this matter.
    1:
    If skins, bunch or seeds remain in fermentation (I main crush and fermented with bunch) is harmful or not for example is it possible transfer to methanol instead of ethanol?
    Is that low levels dangers for human health.

    2:
    Whether during the fermentation we should keep close the bottle?

    Thank you for your time

  9. Dear Reza.
    It is normal that skins, bunch or seeds remain in fermentation. This fermentation should occur in a recipient like a vat: no bottle is needed at that stage.

  10. Rodrigo says:

    I’m quite interested in wine making, but not from grapes.
    Can we make wine out of mango and pineapple fruits?
    I came from a tropical country where these fruits abound and we usually put these in the dinner table as it is. Not much people invest in this venture maybe because of lack of interest or no knowledge at all. I belong to the latter, I need to learn how it is
    made. I don’t have any knowledge about chemistry but can accept new ideas in my line of interest.
    Thank you! I will keep reading.

  11. Hello Rodrigo. Thank you for commenting. Here is how to make wine out of mango or pineapple.