r/ReefTank↗
Reef Tank
A friendly place to discuss and show off all things saltwater aquarium related!
165k subscribers1,301 posts / mo in Sep 2026 (incl. <1% by known bots)789 authors / mosince 2011
r/ReefTank has 165k members (+13% over the last 12 months). It gets about 1,301 posts a month from 789 people. Top topics: Reef-Tank-Nano, Clownfish and Anemones and Aquarium Tanks.
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When to post on r/ReefTank
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How r/ReefTank has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/ReefTank
Top topics
Share of the subreddit's posts
- Reef-Tank-Nano14%
- Clownfish and Anemones3.5%
- Aquarium Tanks3.2%
- Algae Control1.9%
- Aquarium Tanks1.7%
Brands people mention
Most-mentioned brands and sites, last 12 months
Posting rules for r/ReefTank
Which post types r/ReefTank allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.
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How often posts get removed on r/ReefTank
The best day and hour for r/ReefTank, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.
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What works on r/ReefTank
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Who posts on r/ReefTank
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What people ask for on r/ReefTank
Requests for recommendations, help and alternatives on r/ReefTank, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.
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Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research