r/Aquariums is a subreddit with 1.6M members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses tank, struggling, fish, betta, and algae, and they frequently recommend/review schooling fish, aquarium, and canister filter.
The subreddit for anything related to aquariums! Come here to enjoy pictures, videos, articles and discussion. We're also here to help you if you need advice.
Popular Themes in r/Aquariums
#1
Advice Requests
: "Can I improve my tank in any way?"
10 posts
#2
Solution Requests
: "Blackbeard algae removal tips"
2 posts
#3
Pain & Anger
: "HELP! Algae(?) Infection"
1 post
Popular Topics in r/Aquariums
#1
Tank
9 posts
#2
Struggling
8 posts
#3
Fish
7 posts
#4
Betta
5 posts
#5
Algae
4 posts
#6
Beginner
4 posts
#7
Snails
3 posts
#8
Advice
3 posts
#9
Plants
3 posts
#10
Looking
3 posts
Products Discussed in r/Aquariums
Schooling Fish
393 reviews
#1
Aquarium Fish
4.7★ from 39 reviews
#2
Tetra
4.6★ from 26 reviews
#3
Rummynose Tetra
4.8★ from 21 reviews
Aquarium
112 reviews
#1
Aquarium
4.5★ from 14 reviews
#2
Aquarium Supplies
4.3★ from 9 reviews
#3
Aquarium Plants
4.9★ from 8 reviews
Canister Filter
74 reviews
#1
Fluval
4.5★ from 41 reviews
#2
Eheim
4.9★ from 7 reviews
#3
Oase
4.5★ from 6 reviews
Flair Used in r/Aquariums
#1
Advice Needed
: "Would this be a problem later on..?"
50 posts
#2
Showing Off My Tank
: "Reached payoff point, finally"
13 posts
#3
Discussion
: "Sorting Through Gravel"
11 posts
#4
Medical Help
: "HELP! Algae(?) Infection"
7 posts
#5
Beginner Help
: "What could cause a pH drop and ammonia spike overnight?"
4 posts
#6
Identification Request
: "Help IDing this freshwater snail?"
4 posts
#7
Betta
: "what’s wrong with him?"
2 posts
#8
Plants
: "Java fern cutting"
2 posts
#9
DIY/Build
: "PSA: Aquaclear filter media is not always great out of the box for planted tanks"
2 posts
#10
Freshwater
: "Aquarium size"
2 posts
Member Growth in r/Aquariums
Yearly
+96k members(6.6%)
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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/Aquariums, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: November 1, 2026