Watermelon Wheat

Watermelon Wheat is rated 4.5 out of 5 by 20.
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This thirst-quenching beer starts with the base of a Bavarian Weissbier, but then adds fresh watermelon during secondary fermentation. This end product results in a refreshingly fruity wheat beer with a soft watermelon flavor and aroma.


$28.01 Regular Price $32.95
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    What You Get

    1 Bavarian Weissbier Brewing Extract (HME)

    1 Packet of Dry Wheat Brewing Yeast (Under the Lid of the Brewing Extract)

    1 Packet of BrewMax LME Golden

    1 Packet of US-05

    1 Packet of No-Rinse Cleanser

    You Provide

    2 Cups Watermelon Juice

    For Fans Of

    21st Amendment Brewery Hell or High Watermelon

    Lost Coast Watermelon Wheat

    Brew Specs

    Flavor: Fruity

    Original Gravity: 1.048

    Final Gravity: 1.010

    ABV: 5%

    SRM: (Color): 4

    IBU: (Bitterness): 19


    Cleaning is one of the most important steps in brewing. It kills microscopic bacteria, wild yeast, and molds that may cause off-flavors in your beer. Make certain to clean all equipment that comes in contact with your beer by following the directions below:

    1. Fill clean keg with warm water to line mark 1 on the back, then add ½ pack (about 1 tablespoon) of No-Rinse Cleanser and stir until dissolved. Once dissolved, the solution is ready to use. Save the remaining ½ of No-Rinse Cleanser because you will need it for bottling.

    2. Screw on lid and swirl the keg so that the cleaning solution makes contact with the entire interior of the keg, including the underside of the lid. Note that the ventilation notches under the lid may leak solution. Allow to sit for at least 2 minutes and swirl again.

    3. To clean the spigot, open it fully and allow liquid to flow for 5 seconds and then close

    4. Pour the rest of the solution from the keg into a large bowl. Place your spoon/whisk, can opener and measuring cup into the bowl to keep them cleaned throughout the brewing process. Leave them immersed for at least 2 minutes in cleaning solution prior to using.

    5. After all surfaces have been thoroughly cleaned, do not rinse or dry the keg or utensils. Return lid to top of keg, proceed immediately to brewing.


    Brewing beer is the process of combining a starch source (in this case, a malt brewing extract) with yeast. Once combined, the yeast eats the sugars in the malt, producing alcohol and carbon dioxide (CO2). This process is called fermentation.

    1. Remove the yeast packet from under the lid of the can of Brewing Extract,(not needed for this recipe), then place
    the unopened can and BrewMax LME in hot tap water. 

    2. Using the measuring cup, pour 4 cups of water into your clean 3-quart or larger pot. Bring this mixture to a boil,
    then remove from heat.

    3. Open the can of Brewing Extract and BrewMax LME and pour the contents into the hot mixture in your pot. Stir
    until thoroughly mixed. This mixture of unfermented beer is called wort.

    4. Fill your fermenter with cold tap water to the mark 1 on the back. If using any other fermenter this would be
    approximately 1 gallon of water

    5. Pour the wort into your fermenter, and then bring the volume of the fermenter to mark 2 by adding more cold water.
    (If you have a different fermenter top it off with cold water to the 8.5-liter mark). 

    6. Stir your wort mixture vigorously with your sanitized spoon or whisk.

    7. Sprinkle the US-05 yeast packet into the keg, and screw on the lid. Do not stir.

    Put your fermenter in a location with a consistent temperature between 68° and 78° F (20°-25° C), and out of direct
    sunlight. Ferment for 14 days.

    STEP 3: Adding Extras 

    Adding extras is the process of adding additional ingredients to a beer which will impart more flavor and aroma in
    your finished brew.

    At day 7 of fermentation you will add your watermelon juice.
    1. Set a fine-mesh strainer over a bowl; set aside.
    2. Place the watermelon in a clean blender and blend until liquefied, about 1 minute.
    3. Pour through the strainer into the bowl and scrape a rubber spatula against the inside surface of the strainer to
    push the juice through until only pulp remains.
    4. Using your clean measuring cup take 2 cups of juice and add into your fermenter and close the lid.


    After 14 days, taste a small sample to determine if the beer is fully fermented and ready to bottle. If it tastes like flat beer, it is ready. If it’s sweet, then it’s not ready. Let it ferment for 3 more days (17 total). At this point, it is time to bottle. Do not let it sit in the fermenter for longer than 24 days total.

    1. When your beer is ready to bottle, fill a 1-gallon container with warm water, then add the remaining ½ pack of the No-Rinse Cleanser and stir until dissolved. Once dissolved, it is ready to use

    2. Distribute the cleaning solution equally among the bottles. Screw-on caps (or cover with a metal cap if using glass bottles) and shake bottles vigorously. Allow to sit 10 minutes, then shake the bottles again. Remove caps and empty all cleaning solutions into a large bowl. Use this solution to clean any other equipment you may be using for bottling. Do not rinse.

    3. Add 2 Carbonation Drops to each 740-mL bottle. For 1-liter bottles, add 2 ½ drops; for ½-liter bottles add 1 drop. Alternatively, you can add table sugar using this table as a guide. 

    4. Holding the bottle at an angle, fill each bottle to about 2 inches from the bottle’s top.

    5. Place caps on bottles, hand tighten, and gently turn the bottle over to check the bottle’s seal. It is not necessary to shake them.

    6. Store the bottles upright and out of direct sunlight in a location with a consistent temperature between 70°-76°F or 21°-24°C. Allow sitting for a minimum of 14 days. If the temperature is cooler than suggested it may take an additional week to reach full carbonation. 


    After the primary carbonation has taken place your beer is ready to drink. We recommend putting 1 bottle in the refrigerator at first for 48 hrs. After 48hrs. give it a try and if it is up to your liking put the rest of your beer in the fridge. If it does not taste quite right, leave the bottles out at room temp for another week or so. Keep following this method until your brew tastes just how you like it. 

    This process is called conditioning and during this time the yeast left in your beer can help clean up any off-flavors. Almost everything gets a little better with time and so will your beer

    Rated 5 out of 5 by Spoodge from Watermelon wheat Brewed this as one as my second batch. I was quite surprised as to how good it came out. I used real watermelon and added a little more that was required. The melon taste was not overbearing and came on as an after taste in your mouth. You could use extract flavoring to get a stronger flavor but I wanted this just as I made it. One note is to make sure you sterilize everything well, I even wiped down the melon with a solution before I cut it up in the blender. I would make this again as it was really refreshing in the heat of the summer.
    Date published: 2017-01-07
    Rated 3 out of 5 by Adhoss from Watermelon did not turn out so well. Brewed a few fruity wheat beers. Watermelon taste did not come out as expected. I will probably use flavor extract rather than real watermelon.
    Date published: 2017-04-03
    Rated 4 out of 5 by Davz13 from Wait to drink Should have brewed in mid-Summer for more ripe watermelon. Liquified it and added at 1 week mark. Pours golden-orange with fluffy off-white head. After recommended conditioning period, it smelled funky, and tasted of wheat and watermelon. After another month, the aroma turned more watermelon, and it tasted better too.
    Date published: 2018-01-10
    Rated 5 out of 5 by Chris in TN from Mine came out great I tried this recipe recently. I decided to substitute flavor extract for the watermelon in the instructions(for convenience). It came our really good. Big hit with our friends when they come over. Definitely recommend(assuming you like some of the watermelon beers available), and I'll be ordering some more.
    Date published: 2018-07-28
    Rated 5 out of 5 by Matt Connell from Watermelon Wheat Very tasty, very refreshing. If you are looking for a light, tasty, easy drinking beer this is the one.
    Date published: 2020-07-03
    Rated 5 out of 5 by Stangbam from Great flavor and awesome aftertaste I cannot rave more about this recipe and wish watermelon was in season year round. This recipe is a great one for the summer very refreshing on hot days after mowing the lawn or doing yardwork. With the flavor of watermelon as the aftertaste brings back memories of great summers.
    Date published: 2020-08-12
    Rated 5 out of 5 by bringmethejj from confused I am just confused as to when to add the watermelon juice and if I use both bags of yeast at the same time I was surprised it did not come with instructions
    Date published: 2019-09-06
    Rated 4 out of 5 by Hammes from Number one Third time brewing with mr beer and the flavor turned out ok just had a issue with carbonation like the first two times but still learning. Excellent kit
    Date published: 2020-12-02
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    how long is a no rinse disinfecting solution viable? can I use same solution 7-14 days later?

    Asked by: rxalchemy
    Once mixed, the sanitizing effect degrades quickly and is only effective for about 12 hours or so. Cheers.
    Answered by: Mr Beer
    Date published: 2023-07-10

    What brand of flavor extracts have people tried using? And did you use the full 2 cups?

    Asked by: Jflo
    Many different brands have been used. Generally Kerns brand or Jumex seems to be most common. Cheers!
    Answered by: MRBEER
    Date published: 2022-05-14

    I want to brew the summer time shanty but I don’t have the lemon crystal what can I substitute for them?

    Asked by: Elmo

    When adding the fresh Watermelon juice, should it be stirred or just poured in while the fermentation is still going on after day 7?

    Asked by: RyBeer
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