How To Brew Hard Seltzer

If you're a fan of seltzer and looking to add a little kick to your favorite , then might just be the perfect drink for you. Combining the crisp and refreshing qualities of seltzer water with a splash of , hard seltzer has become increasingly popular in recent years. But what exactly is hard seltzer, and how can you brew your own at home? Let's dive in and explore the world of hard seltzer.

Hard seltzer, at its core, is seltzer water infused with alcohol. The type of alcohol used can vary, depending on personal preference and the desired flavor profile. One common base for hard seltzers is fermented cane sugar, which provides a neutral taste that allows the flavors to shine through. However, hard seltzers can also be made with malted barley, grain neutral spirits, or even . These different bases can add unique flavors and characteristics to the final product.

Now, let's talk about how you can brew your own hard seltzer at home. The process is relatively straightforward and doesn't require any specialized equipment. Here's a step-by-step guide to get you started:

1. Gather your ingredients: You'll need seltzer water, alcohol base of your choice (such as or fermented cane sugar), and any additional flavorings you'd like to add, such as lemon or lime , fruit extracts, or even fresh fruit.

2. Start with a clean and sanitized fermenter: It's essential to have a clean and sterile environment for fermentation. Make sure to thoroughly clean and sanitize your fermenter before starting the process.

3. Mix the ingredients: In your fermenter, combine the seltzer water and your chosen alcohol base. The ratio will depend on how strong you want your hard seltzer to be. You can start with equal parts seltzer water and alcohol and adjust to taste.

4. Add flavorings: If you'd like to enhance the flavor of your hard seltzer, now is the time to add in your chosen flavorings. This could be a squeeze of fresh lemon or lime juice, a few drops of fruit extract, or even some muddled berries. Get creative and experiment with different combinations!

5. Stir well: Once all the ingredients are in the fermenter, give it a good stir to ensure everything is well mixed.

6. Fermentation: Now comes the waiting game. Seal your fermenter and let it sit at an optimum temperature of 60°-80° F. This temperature range is ideal for fermentation. It's a good idea to monitor the temperature and adjust the fermenter's location accordingly to maintain the desired temperature.

7. nutrient: After 48 hours of fermentation, it's time to give your hard seltzer a little boost. Add another packet of yeast nutrient directly to the fermenter to help the fermentation process along.

8. Patience is key: Allow the fermentation to continue for a few more days, or even up to a week, until you're satisfied with the taste and alcohol content of your hard seltzer. The longer you let it ferment, the stronger the alcohol content will be.

9. Bottle and carbonate: Once the fermentation is complete, it's time to bottle your hard seltzer. Use clean and sanitized bottles, leaving a little headspace at the top. If you prefer a carbonated version, you can add a small amount of priming sugar to each bottle before sealing them.

10. Aging and chilling: After bottling, let your hard seltzer age for a few days to allow the flavors to meld together. You can store the bottles in a cool place or refrigerate them to speed up the process.

And there you have it, your very own homemade hard seltzer! Enjoy it chilled and savor the refreshing and bubbly goodness with a twist of alcohol. Get creative with flavors, experiment with different ingredients, and share your creations with friends and family. Cheers to your brewing adventures!

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What Alcohol Goes Into Hard Seltzer?

There are various types of alcohol that can be used as a base for hard seltzers. Here is a breakdown of the different options:

1. Fermented Cane Sugar: This is a common alcohol base for hard seltzers. It involves fermenting cane sugar to produce alcohol, which is then mixed with seltzer water and flavors. This type of base is often used in popular hard seltzer brands.

2. Malted Barley: Another option is using malted barley as the alcohol base. This involves mashing and fermenting barley to create a malted barley base, which is then combined with seltzer water and flavors. This process is similar to brewing .

3. Grain Neutral Spirits: Hard seltzers can also be made using grain neutral spirits. These are distilled spirits that are made from grains like corn, wheat, or . The neutral taste of these spirits allows the flavors to come through in the seltzer without any interference.

4. Wine: Some hard seltzers are made with wine as the alcohol base. This involves fermenting grapes or other fruits to produce wine, which is then mixed with seltzer water and flavors. Wine-based seltzers often have a slightly different taste profile compared to those made with other alcohol bases.

It's important to note that the specific alcohol base used can affect the taste, alcohol content, and overall character of the hard seltzer. Different brands may use different alcohol bases, so it's always a good idea to check the label to see what is used in a particular seltzer.


Hard seltzers have become increasingly popular in recent years as a refreshing and low-calorie alcoholic beverage option. The beauty of hard seltzers lies in their versatility, as they can be made using different alcohol bases such as fermented cane sugar, malted barley, grain neutral spirits, or even wine. This allows for a wide range of flavors and variations to suit different preferences.

Making hard seltzer at home is relatively simple, requiring just a few ingredients and some basic fermentation equipment. By combining flavored seltzer water with your chosen alcohol base, such as vodka, and adding additional flavors like lemon or lime juice, you can easily create your own personalized hard seltzer.

The fermentation process is crucial in ensuring the proper alcohol content and carbonation of the seltzer. Keeping the fermenter at an optimum temperature range of 60°-80° F is important for the yeast to thrive and convert the sugars into alcohol. Adding yeast nutrient at different stages can also help promote a healthy fermentation process.

Hard seltzers offer a refreshing alternative to traditional alcoholic beverages, particularly for those looking for a lighter and more calorie-conscious option. With their wide range of flavors and the ability to customize them to personal taste, hard seltzers have gained popularity among consumers seeking a refreshing and low-alcohol option.

Whether enjoyed at home or purchased commercially, hard seltzers continue to be a popular choice for those looking for a light and flavorful beverage. Their simplicity in ingredients and the ability to experiment with different flavors make them an appealing option for many. So next time you're in the mood for a refreshing and bubbly drink, why not give hard seltzers a try? Cheers!

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Thomas Ashford

Thomas Ashford is a highly educated brewer with years of experience in the industry. He has a Bachelor Degree in Chemistry and a Master Degree in Brewing Science. He is also BJCP Certified Beer Judge. Tom has worked hard to become one of the most experienced brewers in the industry. He has experience monitoring brewhouse and cellaring operations, coordinating brewhouse projects, and optimizing brewery operations for maximum efficiency. He is also familiar mixology and an experienced sommelier. Tom is an expert organizer of beer festivals, wine tastings, and brewery tours.