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    Wine on Tap: Benefits and Best Practices

    There’s a whimsical, unaccredited quote that adorns many glasses, napkins, and canvases: Wine is the answer; what was the question? For many Americans, this speaks the truth! According to the Wine Institute, we Yankees consume nearly a billion gallons of wine per year—that’s about three gallons per person!

    Although some reports will show that wine sales dipped just a bit in 2019, millennials are now drinking more wine than any other age group, with consumption rising about 10%. As the largest living generation, the millennial market is key to the survival of many bars and restaurants, so it’s important to cater to them. Of course, stocking wines can be a challenge, which is why today, the answer may not be just wine, but kegged wine.

    Why Kegged Wine?

    Free Flow Wines, a premier provider of over 250 kegged wine brands, reveals that wine on tap is rapidly growing in popularity. In 2011, the company shipped just 7,200 kegs; today, they’re shipping more than 125,000+. Here are the reasons why tapping into this booming market is a good investment.

    Taste & Consistency Improvement

    When it comes to kegging vs. bottling, there’s just no comparison! In just a matter of days, opened bottles of wine can change their flavor profile (sparkling wines become flat; white, sweet, and rose wines oxidize and lose character; and red wines begin to sour and taste “vinegary”). This can lead to some very unsatisfied customers. Not so with wine by the keg, which tastes great and maintains its taste and consistency much longer than its bottled brethren.

    Cost & Time Savings

    Unlike kegged wines, old bottled wine and wine that’s been compromised by heat due to improper storage need to be dumped down the drain, along with the dollars you’ve put into the purchase. But that’s not the only way kegged wine can save you money. Wine kegs also save bar and restaurant owners from paying the winery’s bottle, cork, carton, and labeling costs. “Since we’re not paying for the winery’s cost in bottles, corks, labeling, I can serve the same glass of wine for $12 that might have been $15 or $16 if we were poured it from a bottle,” says Nora O’Malley, the co-founder of New York City’s Lois, a restaurant serving only wine on tap.

    Another advantage of wine of tap is that it’s a real time saver. No longer do bartenders need to sort through an abundance of bottles—many of which look the same at a glance—to find the right wine, nor do they have to spend time popping a stubborn cork. Instead, they belly on up to the tap and pull the handle!

    Sustainability Advantages

    Last but not least, wine kegs are greener. Today, many bars and restaurants are employing sustainable practices, reducing our human-made carbon footprints on the planet and its ecosystems. “Wine on tap is not a trend,” says Kareem Massoud, winemaker at Paumanok Vineyards. “It is part of the broader mandate of sustainability that defines the age in which we live.

    ”Along with eliminating tons of packaging, most wine kegs are reusable for more than 20 years. Wondering how many pours in a keg? Free Flow Wines reveals that one of their standard 19.5L kegs holds 26 bottles worth of wine or 132 five-ounce glasses. With wine by the glass accounting for up to 80% of wine sold in restaurants (equaling approximately 600 million bottles per year), even just 10% from a keg would keep 60 million bottles out of landfills yearly! Plus, you know who’s big into sustainability? That’s right that millennial market you’re going after; they’re more likely to patronize an operation that looks out for the greater good.

    Wine on Tap Best Practices

    Now that we’ve made a case for kegged wine let’s look at some of the best practices that will need to be followed to ensure a perfect pour every time.

    Wine on Tap Equipment

    Wine kegs (along with couplers, faucets, and fittings) should be composed of 304 or 316-grade stainless steel. These are the most popular and widely used types of stainless steel because they provide excellent corrosion and rust resistance. If plastic components are involved, be sure that they are FDA-approved. It’s recommended for tubing using Barriermaster Flavourlock™ tubing as it prevents oxygen permeation, which can compromise wine quality. For long draw wine on tap systems, glycol trunk lines and a power pack cooling system is ideal.

    Keg Storage & Dispensing Temperature

    Bottled wines need to be stored differently, some at room temperature and some chilled. Kegged wines are no different. Here’s a good rule of thumb for their storage:

    • Whites: store in the walk-in cooler and serve at 40–45° F
    • Reds: store at room temperature, a maximum of 70° F, and serve at 55–60° F

    Gas Pressure Settings & Wine Flow

    Gas, of course, propels wine out of the keg and through the lines; it also eliminates oxidation, which prevents spoilage. The recommended pressure setting for direct draw kegs, such as a Micro Matic wine kegerator, is 4-8 psi; to ensure accuracy, use a 0-15 PSI gauge.

    To create the perfect pour for whites and reds, use a blended gas combination of 75% N2 and 25% CO2. This is sometimes referred to as “Guinness gas” as it is also the gas combination used to dispense a keg of Guinness.

    To adjust wine flow, locate the gas regulator pressure and adjust. You’ll notice the change in pressure on the upper gauge.

    Replacing the Gas Cylinder for Wine on Tap Systems

    If the tank volume gauge reads less than 300 PSI, it will need to be changed. Here's how you can do it yourself:

    • Turn off the gas by closing the valve at the top of the tank.
    • Using a large wrench, unscrew the brass nut connecting the regulator to the tank.
    • Pull out the old tank and replace it with a new one.
    • Use a large wrench to securely tighten the regulator to the gas cylinder and open the tank valve. The applied keg pressure will register on the 0-15 pound gauge.

    Wine Line Cleaning

    Just as yeast, mold, and bacteria can build up in draft beer lines, damaging its taste, aroma, and appearance, dirty wine lines can also compromise the poured product. To ensure quality, line cleaning for kegged wines should be performed every three months or during a product change. Line cleaning laws vary from state to state, so you may want to speak with your keg wine distributors. Cleaning should include a caustic wash using a high PH and a citric acid wash using a low PH. Line cleaners available from Micro Matic feature the latest surfactant, which reduces surface tension for fast and easy cleaning, and a low foam formula.

    Kegged Wine FAQ

    What does wine on tap mean?

    Wine on tap comes from kegs, just like a draft beer. It’s becoming the preferred method of dispensing wine for bars and restaurants versus bottles as it offers many benefits, from cost savings to freshness.

    How does wine on tap work?

    Wine on tap works just like a kegged beer. The tap dispenser system draws wine from keg to tower via tubing, where it is then poured into a glass through a faucet.

    How long does wine in a keg last?

    A quality wine keg will remain fresh for 12 months untapped and three months once tapped.

    How much does a keg of wine cost?

    This varies greatly, but the average cost is around $240. Considering that standard kegs hold the equivalent of 26 bottles of wine, that’s about $9 per bottle.

    Is wine on tap better?

    Wine in tap can ensure freshness, saves money and time, and is far more sustainable than bottles, making it a triple threat!

    Considering Kegged Wine? Count on Micro Matic!

    For over 60 years, Micro Matic has been recognized as one of the world’s leading suppliers of draft beverage equipment. Specializing in keg-to-glass technology, we offer a total solution for meeting your draft equipment needs. Our dedication to customer service is supported by four regional sales and distribution centers, the Micro Matic Dispense Institute for training and education, and a Certified Installer Network for draft system installations. Want to speak with a “perfect pour” expert? Contact Micro Matic today.