r/fermentation is a subreddit with 314k members. The community frequently discusses fermentation, looking, ginger bug, fermenting, and sauerkraut, and they frequently recommend/review sugar and containers, and the most common flair used is pickles/vegetables in brine, beer/wine/mead/cider/tepache/kombucha, hot sauce, kraut/kimchi, and other.
Welcome to r/fermentation!
This community is devoted to the craft, science, and culture of fermentation. From sauerkraut and sourdough to kombucha, kimchi, yogurt, and beyond, we explore the traditions and innovations that bring microbes, time, and ingredients together. Our aim is to promote safe, accurate, and inspiring fermentation practices while fostering curiosity, creativity, and shared knowledge for beginners and experts alike.
Popular Topics in r/fermentation
#1
Fermentation
124 posts
#2
Looking
47 posts
#3
Ginger Bug
31 posts
#4
Fermenting
29 posts
#5
Sauerkraut
28 posts
#6
Kimchi
23 posts
#7
Ferment
22 posts
#8
Tepache
22 posts
#9
Mold
20 posts
#10
Vinegar
19 posts
Products Discussed in r/fermentation
Sugar
3 reviews
#1
Honey
5.0★ from 1 review
#2
Apple Juice Concentrate
4.0★ from 1 review
#3
White Sugar
4.0★ from 1 review
Containers
2 reviews
#1
Ball Mason Jars
5.0★ from 1 review
#2
Glass Bottles
4.0★ from 1 review
Flair Used in r/fermentation
#1
Pickles/Vegetables in brine
: "The cucumbers never stood a chance"
46 posts
#2
Beer/Wine/Mead/Cider/Tepache/Kombucha
: "Solution to Cleaning Glass Bottles - Metal BBs"
21 posts
#3
Hot Sauce
: "Final product on my Buena mulata hotsauce!"
18 posts
#4
Kraut/Kimchi
: "Switched to a heavy-duty mandoline for my kraut prep. This texture is a game-changer."
14 posts
#5
Other
: "Moldy Asparagus"
11 posts
#6
Fruit
: "Fermented strawberry soda"
11 posts
#7
Ginger Bug/Soda
: "My most active ginger bug yet!"
10 posts
#8
Meta
: "Triple-fermented breakfast! Cacao nib sourdough waffles with blueberry cheong maple syrup"
4 posts
#9
Kefir
: "Litchi kefir"
4 posts
#10
Legumes
: "Veggicuterie with beetroots"
3 posts
Member Growth in r/fermentation
Yearly
+46k members(17.2%)
Similar Subreddits to r/fermentation
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Last updated: June 16, 2026