r/Aquariums is a subreddit with 1.5M members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses fish, tank, help, frustrating, and hard time, 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
: "I highly recommend these"
9 posts
#2
Solution Requests
: "Anyone have experience keeping diving beetles? I found a dumpster tank and was wondering if this would be suitable! (First tank)"
8 posts
#3
Pain & Anger
: "Was I scammed?"
3 posts
Popular Topics in r/Aquariums
#1
Fish
: "Omg im a terrible Fish owner"
102 posts
#2
Tank
: "How I weaponized duckweed in 12 overstocked Tanks and now always have 0 detectable nitrate without fail. Duckweed can be your friend :)"
101 posts
#3
Help
: "What is this?"
64 posts
#4
Frustrating
28 posts
#5
Hard Time
23 posts
#6
Filter
22 posts
#7
Algae
: "Dust-like Algae?"
22 posts
#8
Betta
: "Giant Betta ID Help"
16 posts
#9
Plant
: "Do you think this Plant is too close to the surface to keep for my aquarium?"
15 posts
#10
Looking For A
14 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
: "Why are my tetras doing that?"
74 posts
#2
Showing Off My Tank
: "Argolebias (formerly austrolebias) Nigripinnis male"
35 posts
#3
Identification Request
: "What is this?"
22 posts
#4
Discussion
: "Black Ghost Knife navigates via electrolocation. What’s the most downright alien fish in the trade, anatomically or behaviorally?"
18 posts
#5
Beginner Help
: "fluval 107"
14 posts
#6
Freshwater
: "RIP Whiskey"
10 posts
#7
Requesting Feedback
: "Leporinus nissjeni feedback"
10 posts
#8
Medical Help
: "What is this?"
7 posts
#9
Solved!
: "Update on the gasping tetras"
3 posts
#10
Plants
: "Madagascar lace plant flowering"
3 posts
Member Growth in r/Aquariums
Yearly
+89k members(6.2%)
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About
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This page gives a focused view of r/Aquariums, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: June 4, 2026