r/Aquariums is a subreddit with 1.5M members. The community frequently discusses tank, fish, help, hard time, and plants, and they frequently recommend/review schooling fish, aquarium, and canister filter, and the most common flair used is advice needed, showing off my tank, beginner help, discussion, and identification request.
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 Topics in r/Aquariums
#1
Tank
121 posts
#2
Fish
94 posts
#3
Help
27 posts
#4
Hard Time
23 posts
#5
Plants
23 posts
#6
Frustrating
19 posts
#7
Filter
16 posts
#8
Algae
16 posts
#9
Plant
16 posts
#10
Shrimp
16 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
: "How do I clean driftwood from the beach for freshwater tank? I think it is mangrove wood."
78 posts
#2
Showing Off My Tank
: "School of 60 Costae Tetras"
40 posts
#3
Beginner Help
: "Molly pregnant or just chunky"
16 posts
#4
Discussion
: "Which fish are your non-fish-hobbiest guests most impressed by?"
15 posts
#5
Identification Request
: "What are these? Do I need to move my shrimp to another tank and break this one down?"
15 posts
#6
Requesting Feedback
: "Fish or no fish?"
12 posts
#7
Freshwater
: "Y'all like my dog?"
8 posts
#8
Medical Help
: "New Aquarium Owner, fish has red thing protruding from anus what do I do? Help!!!"
7 posts
#9
DIY/Build
: "DIY drip acclimation"
4 posts
#10
Plants
: "Are your fish ugly or are you just using the wrong light?"
3 posts
Member Growth in r/Aquariums
Yearly
+89k members(6.2%)
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Last updated: June 23, 2026