r/fermentation is a subreddit with 320k 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 ginger bug/soda, pickles/vegetables in brine, beer/wine/mead/cider/tepache/kombucha, fruit, and hot sauce.
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
Ginger Bug/Soda
: "I did NOT expect this after only just over 24 hours! holy carp - Pineapple Lime soda"
36 posts
#2
Pickles/Vegetables in brine
: "Fermented corn is good."
22 posts
#3
Beer/Wine/Mead/Cider/Tepache/Kombucha
: "Dragonfruit country wine"
12 posts
#4
Fruit
: "Chanh Muối—Vietnamese-style preserved limes."
11 posts
#5
Hot Sauce
: "Red jalapeño blueberry hot sauce before and after 21 days"
10 posts
#6
Kraut/Kimchi
: "My simple kimchi. Lots of bubble production after only 48 hours!"
9 posts
#7
Vinegar
: "Worms in fruit vinegar"
6 posts
#8
Other
: "Where can I get something like Cody's continuous feed pickling jar?"
5 posts
#9
Meat/Fish/Garum
: "Ostrich garum"
4 posts
#10
Kefir
: "From a Simple Question to an Unexpected Flavor"
4 posts
Member Growth in r/fermentation
Yearly
+48k members(17.5%)
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Last updated: July 28, 2026