r/reeftank
A friendly place to discuss and show off all things saltwater aquarium related!
How to think about r/reeftank
The community is dedicated to enthusiasts of saltwater aquariums, providing a platform for members to share knowledge, showcase their tanks, and discuss various aspects of reef keeping. It is characterized by a friendly atmosphere where both beginners and experienced aquarists can exchange tips on coral care, tank setup, and marine life. The focus on community support and education sets it apart from more commercial aquarium forums.
Confidence 4/5
Audience
Participants range from novice hobbyists to seasoned aquarium professionals, with a strong interest in marine biology and aquatic ecosystems. The vibe is generally supportive and collaborative, with members eager to help each other troubleshoot issues and celebrate successes. Many members are likely to be in their 20s to 40s, reflecting a passion for marine life and a commitment to maintaining healthy reef environments.
Posting culture
Members typically share images of their aquariums, ask for advice on tank maintenance, and discuss specific species of fish and coral. High-quality visuals and detailed descriptions of setups tend to perform well, while overly promotional content or vague questions may be downvoted. The community thrives on regular engagement, with members frequently posting updates and participating in discussions.
Brand engagement notes
Brands looking to engage with this community should prioritize authenticity and value-driven content. Sharing educational resources, how-to guides, and engaging visuals of products in use can resonate well. However, overt promotions or sales pitches are likely to be met with skepticism. Collaborating with respected community members for product reviews or hosting Q&A sessions can foster goodwill and establish credibility within the community.
Top keywords
What r/reeftank talks about
Weighted by how often each term appears in posts and comments, relative to baseline frequency. The largest words are the strongest signals of community focus.
External signals
Where the community looks
Top external domains linked from posts and comments — a quick read on the sources of truth this audience trusts.
Top contributors
Who shapes the conversation
The most active and most-upvoted posters and commenters in this community. Useful when planning outreach or studying a community's tastemakers.
Top posters
By post count
- u/MazeWorx
- u/[deleted]
- u/etphi
- u/RunsWthGriszzlys
- u/Reefer_NYC
- u/reefguy007
- u/ajctraveler
- u/Illustrious_Egg_4758
- u/funkmethod
- u/agentmikeyd
- u/big-boi-Roy
- u/blockersmucker
- u/toyonbird
- u/--WiSeMaN--
- u/nemofish
- u/Luckyduck84135
- u/Interesting_Let981
- u/OkJazzMartini
- u/Mr_H1488
- u/TillFickle
- u/kortokrizzle
- u/Spideybry
- u/Rmaiolo13
- u/a2270
- u/Dngrboy666
- u/TOKERJOKERSWAY
- u/DivineMomentsofTruth
- u/BigSalamiGuy
- u/lxOxOxOxl
- u/Slockeness7
- u/astro-cowboy
- u/NoAhoysLeft
- u/Cautious-Spell-4032
- u/Dogecoinfinatic
- u/LoadedGull
- u/Playful-Many-4784
- u/Legitimate-Hall-8332
- u/Valley17
- u/English_Joe
- u/BaIIZDeepInUrMom
- u/K4_Fish
- u/ickynicky51
- u/crabbysammy
- u/P-Griffin-DO
- u/sarinaruu
- u/Lickingteeeth
- u/Coyotewhite3000
- u/jamieynt
- u/elloaskeii
- u/SomeHappyBalls
- u/Upstairs-Low7222
- u/Thatprettymothafuc
- u/lmaobihhhh
- u/jonathanleejw
- u/SingleAd5171
- u/FliesInVasoline
- u/Sierra_Bravo915
- u/jdominy1973
- u/MikeIkerson
- u/vic750
- u/Slide-Loc
- u/Cautious-Ad-7166
- u/BigChungus1428
- u/Satoshi489
- u/Sopdope69
- u/ColdWaterTankYou
- u/SortofNotAThrowAway
- u/kibuuno
- u/CaptainRAVE2
- u/It_Broked
- u/benevolentmalefactor
- u/TheBurntHound
- u/AdSignificant5696
- u/No_Distribution4599
- u/ReturnToNow
- u/psythai
- u/besskurz
- u/myfishaccount1
- u/PPGamer99
- u/Itselchapo
- u/engineermajortom
- u/Bernsaquatics
- u/Kindly-Papaya7637
- u/Snarklewumpus
- u/Delicious_Talk_7766
- u/AutoModerator
- u/xijingpingpong
- u/lazerlicker
- u/Mrdeathkills69
- u/MickMcSnuggles
- u/HornetOne28
- u/S-D2281
- u/tripsyk
- u/ShrimpYolandi
- u/Supersonic_Sandwich
- u/DirtyDan156
- u/rourkey19
- u/soft_corexx
- u/angelramos12121989
- u/mandy_monroe_
By votes
- u/toyonbird
- u/reefguy007
- u/nemofish
- u/[deleted]
- u/BaIIZDeepInUrMom
- u/English_Joe
- u/blockersmucker
- u/ajctraveler
- u/OkJazzMartini
- u/Illustrious_Egg_4758
- u/etphi
- u/Reefer_NYC
- u/MazeWorx
- u/jebuz23
- u/Jizzus_Christus
- u/funkmethod
- u/Mr_H1488
- u/kortokrizzle
- u/ickynicky51
- u/RunsWthGriszzlys
- u/xijingpingpong
- u/Mrdeathkills69
- u/SingleAd5171
- u/Haplophyrne_Mollis
- u/--WiSeMaN--
- u/a2270
- u/K4_Fish
- u/crabbysammy
- u/TillFickle
- u/Particular_Group_295
- u/HornetOne28
- u/astro-cowboy
- u/FirmMelons
- u/drogods
- u/lxOxOxOxl
- u/FliesInVasoline
- u/Spideybry
- u/P-Griffin-DO
- u/Slockeness7
- u/OogieBoogie1
- u/Cautious-Ad-7166
- u/Sierra_Bravo915
- u/Supersonic_Sandwich
- u/Dngrboy666
- u/lazerlicker
- u/jdominy1973
- u/S-D2281
- u/purosoddfeet
- u/tripsyk
- u/soft_corexx
- u/FishRFriendsMemphis
- u/vic750
- u/tibo941
- u/Mooseylips
- u/Vegetable_Addendum_1
- u/lelo008
- u/TripResponsibly1
- u/basilhdn
- u/The_Idiot_Admin
- u/Bismarck12
- u/FivetoNineDesign
- u/MickMcSnuggles
- u/ColdWaterTankYou
- u/Key-Client8896
- u/Motopsycho-007
- u/jamieynt
- u/wavecookies
- u/FelsImMeer
- u/pennystockguru84
- u/Manager_Neat
- u/ShrimpYolandi
- u/TOKERJOKERSWAY
- u/jdmsaico
- u/Forward_Drag3927
- u/rourkey19
- u/DrS7ayer
- u/densos_reef
- u/mandy_monroe_
- u/jkwrangler08
- u/sarinaruu
- u/GhostGunPDW
- u/DirtyDan156
- u/grog-nak
- u/BigRedHair92
- u/angelramos12121989
- u/HainiteWanted
- u/MikeIkerson
- u/poweroverwh3Iming
- u/Universal_Astrophoto
- u/Darthkdot
- u/oroona
- u/19Rocket_Jockey76
- u/farmyfarmguy
- u/Aleshniki
- u/kibuuno
- u/rhinocerosscorpion
- u/CanisLupus92
- u/granto2015
- u/Ocpondpoacher
- u/placenta89
Top commenters
By comment count
- u/[deleted]
- u/TriggerTough
- u/farfacogin
- u/Stack_Johnson
- u/ThatOneSnakeGuy
- u/Epena501
- u/Deranged_Kitsune
- u/ScooterGlass
- u/DrunkenGolfer
- u/hardtalk370
- u/catteredattic
- u/pfeifits
- u/StrawSurvives
- u/swordstool
- u/Galapagoasis
- u/sarinaruu
- u/icelandicfanatic
- u/CoverYourMaskHoles
- u/TheRedEyedAlien
- u/leveldrummer
- u/Wild_Television_
- u/Bobmanbob1
- u/InnieLicker
- u/ZogemWho
- u/OkJazzMartini
- u/ME_Kurt
- u/Harvey092698
- u/wavecookies
- u/False-Tiger5691
- u/Guinness
- u/JonTheFlon
- u/sabahorn
- u/etnoid204
- u/CONE-MacFlounder
- u/Laserdollarz
- u/DrapedinVelvet247
- u/OmgBsitka
- u/Croc_47
- u/smthngwyrd
- u/Bananaphone_33
- u/TBurkeulosis
- u/juanchurro4265
- u/AlgaeWafers
- u/SilvermistInc
- u/autisticwanker
- u/-NickG
- u/aaron1860
- u/Lucky_badger8
- u/gerbergirth
- u/23redvsblue
- u/reefguy007
- u/No_Style_8667
- u/thedobermanmom
- u/Reeftankz10000
- u/LBdeuce
- u/LivingLosDream
- u/don_chuwish
- u/Mission_Tradition297
- u/nemofish
- u/Novadreams22
- u/ljr1715
- u/badger906
- u/E39er
- u/MiniB68
- u/EsseLeo
- u/One-Organization189
- u/Back-Far
- u/M4r5ch
- u/Sufficient-Comb-2755
- u/aquachickaqua
- u/Low_Air6104
- u/thisisindianland
- u/SEELE-FIRST
- u/Time-Changer
- u/scootscoot
- u/MmasterOfPuppets
- u/sleepingdeep
- u/yashyashya
- u/atticusNL
- u/Chimbo84
- u/Apollyon_Black
- u/DoobDob
- u/Partysaurulophus
- u/Surveyor7
- u/chillzatl
- u/doonebot_9000
- u/Sushidios47
- u/strangehitman22
- u/Thehollander
- u/ContaminatedLabia
- u/TillFickle
- u/0ttr
- u/Thediamondhandedlad
- u/seno2k
- u/beppedessi
- u/Tehpunisher456
- u/Sickpastdeath
- u/leros
- u/Blastomussa1
- u/Background-Spot-8456
By votes
- u/thisisindianland
- u/[deleted]
- u/Lv702noob
- u/ME_Kurt
- u/MisterMiniS
- u/toyonbird
- u/TheZero123
- u/4GN42
- u/Iron0ne
- u/Antique-Possession28
- u/KyleThatFishGuy
- u/gladwin4
- u/lachelt
- u/autisticwanker
- u/RobotDeathSquad
- u/SheWolfInTheWoods
- u/callmesaul8889
- u/Twa747
- u/LonelyHeart2022
- u/yashyashya
- u/Hugs_for_Thugs
- u/TillFickle
- u/pfeifits
- u/GetOffMyLawn762
- u/Coyotewhite3000
- u/Egg3rs
- u/Tehpunisher456
- u/SpookyNoodz
- u/OkJazzMartini
- u/Mabl_ProteGe
- u/amoore031184
- u/TriggerTough
- u/ls7corvete
- u/apostropheapostrophe
- u/sukkadeeznutz
- u/temporalwanderer
- u/bifleur64
- u/JJ650
- u/Cautious-Ad-7166
- u/P-Griffin-DO
- u/214ObstructedReverie
- u/SghettiAndButter
- u/deathwotldpancakes
- u/SchwiftySqaunch
- u/XenofexBE
- u/Mayszz
- u/tadalu
- u/Deranged_Kitsune
- u/ContaminatedLabia
- u/narnia190
- u/HunnaThaStunna
- u/Motopsycho-007
- u/Spzncer
- u/Sickpastdeath
- u/pressxtofart
- u/Guilty-Spark-008
- u/Amrock007
- u/Bitter_Definition932
- u/Spayne75
- u/brickwall1339
- u/blockersmucker
- u/Tuobsessed
- u/RTAppleton
- u/Epena501
- u/Laserdollarz
- u/Crowape
- u/Forsaken-Music9675
- u/Blastomussa1
- u/MiJahova
- u/ScooterGlass
- u/sleepingdeep
- u/swordstool
- u/Universal_Astrophoto
- u/NectmarPowerhand
- u/Odd_Toe5638
- u/Comfortable_Eye21
- u/TheyCallMeButch
- u/Lgkshooter
- u/Cal10lee
- u/DavidinGA
- u/carpeteyes
- u/IShouldRllyBeWorking
- u/SwordfishTrue8081
- u/False-Tiger5691
- u/lougosh
- u/Baconer1
- u/Pentarriaza
- u/Upstairs_Sale158
- u/geckos_are_weirdos
- u/nemofish
- u/LIONFISH0223
- u/AlgaeWafers
- u/Ex_Ex_Parrot
- u/ZogemWho
- u/BoyDynamo
- u/Electronic-Owl-4417
- u/Aqua_Splendor
- u/TeaTree24
- u/Thatoneguyonreddit28
- u/Arctelis
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/reeftank — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/reeftank have?
r/reeftank has approximately 153,589 subscribers as of May 27, 2026.
When was r/reeftank created?
r/reeftank was created on July 9, 2011 (15 years ago).
What is r/reeftank about?
The community is dedicated to enthusiasts of saltwater aquariums, providing a platform for members to share knowledge, showcase their tanks, and discuss various aspects of reef keeping. It is characterized by a friendly atmosphere where both beginners and experienced aquarists can exchange tips on coral care, tank setup, and marine life. The focus on community support and ed…
What subreddits are similar to r/reeftank?
Communities similar to r/reeftank include r/saltwateraquariumclub, r/aquarium, r/plantedtank, r/aquariums, r/aquascape.
Who are the most active posters on r/reeftank?
The most frequent posters on r/reeftank include u/MazeWorx, u/[deleted], u/etphi.
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