r/fermentation is a subreddit with 317k 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, kraut/kimchi, other, and ginger bug/soda.
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"
40 posts
#2
Beer/Wine/Mead/Cider/Tepache/Kombucha
: "Solution to Cleaning Glass Bottles - Metal BBs"
18 posts
#3
Kraut/Kimchi
: "Switched to a heavy-duty mandoline for my kraut prep. This texture is a game-changer."
15 posts
#4
Other
: "Watermelon Tartar + Yellow Gazpacho Ferment+ Honey/Thyme/Goatcheese-Cream"
15 posts
#5
Ginger Bug/Soda
: "Homemade grape juice soda using ginger bug"
15 posts
#6
Hot Sauce
: "Biggest ferment project yet"
14 posts
#7
Fruit
: "Fermented "Blue" Raspberry Arnold Palmer (breakdown in comments)"
12 posts
#8
Spicy/Garlic Honey
: "Garlic honey"
4 posts
#9
Dairy
: "First Fermented Butter"
3 posts
#10
Meta
: "Triple-fermented breakfast! Cacao nib sourdough waffles with blueberry cheong maple syrup"
3 posts
Member Growth in r/fermentation
Yearly
+47k members(17.5%)
Similar Subreddits to r/fermentation
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Last updated: June 30, 2026