/r/fermentation/

r/fermentation

331k members
r/fermentation is a subreddit with 331k 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, ginger bug/soda, other, kraut/kimchi, 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
Pickles/Vegetables in brine
: "First time and iam excited"
10 posts
#2
Ginger Bug/Soda
: "The liveliest Ginger Bug"
9 posts
#3
Other
: "I Need Ideas For Ferments."
7 posts
#4
Kraut/Kimchi
: "First timer - Sauerkraut"
7 posts
#5
Hot Sauce
: "Smoked Paprika Pepperchup"
6 posts
#6
Spicy/Garlic Honey
: "Honey garlic with vinegar??"
3 posts
#7
Legumes
: "Soy sauce"
2 posts
#8
Beer/Wine/Mead/Cider/Tepache/Kombucha
: "Black cap: an annual hooch"
2 posts
#9
Vinegar
: "Can you make vinegar from beer?"
2 posts
#10
Bread/Rice/Corn/Oats/Barley
: "Rye kvass from malted grains?"
2 posts

Member Growth in r/fermentation

Yearly
+45k members(15.6%)

Similar Subreddits to r/fermentation

/r/FermentedHotSauce

r/FermentedHotSauce

44k members
34.8% / yr
/r/Kefir

r/Kefir

46k members
33.7% / yr

r/kimchi

61k members
41.5% / yr

About

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Last updated: November 14, 2026