r/ReefTank is a subreddit with 159k members. The community frequently discusses tank, looking for a, struggling, coral, and help, and they frequently recommend/review brand, fish, and stocking, and the most common flair used is [pic] and [video].
A friendly place to discuss and show off all things saltwater aquarium related!
Popular Topics in r/ReefTank
#1
Tank
112 posts
#2
Looking For A
50 posts
#3
Struggling
45 posts
#4
Coral
41 posts
#5
Help
35 posts
#6
Algae
23 posts
#7
Fish
16 posts
#8
Reef
15 posts
#9
Flow
12 posts
#10
Anemone
11 posts
Products Discussed in r/ReefTank
Brand
25 reviews
#1
Waterbox
4.5★ from 4 reviews
#2
Red Sea
2.3★ from 4 reviews
#3
DD
5.0★ from 3 reviews
Fish
23 reviews
#1
Goby
5.0★ from 2 reviews
#2
Watchman Goby
4.5★ from 2 reviews
#3
Long Nose Hawkfish
4.0★ from 1 review
Stocking
23 reviews
#1
Clownfish
4.6★ from 5 reviews
#2
Aquarium Fish
4.0★ from 3 reviews
#3
Royal Gramma
3.0★ from 2 reviews
Flair Used in r/ReefTank
#1
[Pic]
: "Top down views are the best 💪"
57 posts
#2
[Video]
: "How do we feel about Lab Grown corals?"
1 post
Member Growth in r/ReefTank
Yearly
+18k members(12.4%)
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/ReefTank, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: June 19, 2026