r/hydro
A home for hydroponic cannabis gardeners. Post grow journals, questions, and discussions!
How to think about r/hydro
The community focuses on hydroponic gardening, providing a space for members to share grow journals, ask questions, and engage in discussions about various hydroponic techniques. It caters to a wide range of gardeners, from hobbyists to commercial growers, emphasizing the cultivation of universally legal plants. The community distinguishes itself by promoting a non-technical approach to hydroponics, making it accessible for newcomers while still offering valuable insights for experienced growers.
Confidence 4/5
Audience
Participants in this community are primarily gardening enthusiasts interested in hydroponics, with a mix of hobbyists and more serious growers. The demographic is diverse, often including younger individuals and those seeking sustainable gardening methods. Members are generally supportive and eager to share knowledge, focusing on practical advice and troubleshooting rather than commercial interests.
Posting culture
Content that thrives includes detailed grow journals, questions about hydroponic techniques, and discussions on plant care. Posts that are overly promotional or unrelated to hydroponics, particularly those involving cannabis cultivation, tend to be downvoted. The community encourages a collaborative atmosphere, with a steady cadence of posts and responses, fostering ongoing discussions and learning.
Brand engagement notes
Brands looking to engage with this community should prioritize authenticity and education over direct promotion. Sharing informative content, such as guides on hydroponic techniques or product reviews that genuinely help members, can resonate well. However, overt marketing or promotional posts are likely to face resistance. Brands should also consider collaborating with knowledgeable community members to create valuable content that aligns with the community's interests.
Top keywords
What r/hydro 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/Andrew_Higginbottom
- u/HealingHobbies
- u/ddanchuk
- u/Mjfch
- u/strangetopquark
- u/hydrofarmer1
- u/khurb
- u/njy1991
- u/bezchlebika
- u/MasterBlaster4949
- u/DamagedFreight
- u/ArnauAguilar
- u/GrowLewis
- u/elaybanville
- u/-Dubwise-
- u/Lewd_Thude
- u/phinine
- u/yo-boi-alex
- u/FIDI_G
- u/wade001
- u/Dbolla5
- u/Think-Salamander-516
- u/AsiaCityPrep
- u/Curbsidewin
- u/Few_Character_3301
- u/OutrageousFlatworm38
- u/Scrog_Bae
- u/No-Temperature-6803
- u/badass708
- u/dvsumo
- u/eLicky
- u/Idkmsn2
- u/Fearless-Store3226
- u/Avocadosandtomatoes
- u/NoSink4407
- u/DonBosman
- u/thorndike
- u/yana_nat_SIP
- u/Odd_General8151
- u/Loud-Example9255
- u/mdixon12
- u/CookSignificant446
- u/GFunk_Allstar
- u/jhtitus
- u/longboarder116
- u/_waffoo_
- u/fl0yd13
- u/invisibleperson555
- u/Ok-Independent-9133
- u/roastymctoasty
- u/CalebLF10
- u/Novel_Variation2879
- u/emma-chan98
- u/Scoot-McCoot
- u/iwihduhh
- u/ToothPuzzleheaded185
- u/Suspicious-Service
- u/canitakemybraoffyet
- u/Medical-Hovercraft-8
- u/Baquan001
- u/hugonaranja
- u/[deleted]
- u/InSalehWeTrust
- u/Complete_Bad3298
- u/Grifis23
- u/Hydroman1993
- u/FlorianGrower
- u/Skuld9029
- u/DuhMayor
- u/greymather
- u/Strokeforce
- u/DirectDamage91
- u/AuFingers
- u/DirectCherry
- u/Bengalcats888
- u/brutongrower420
- u/No_Reserve5066
- u/SqueakyCleanNoseDown
- u/Sampagne_Papi
- u/throwawaystuff000
- u/Amun-Aion
- u/Annual_Search2492
- u/Evry1lovej
- u/rdwc23
- u/Remarkable-Land2892
- u/fancy_NEEP
- u/Slight0
- u/Otto_Mcwrect
- u/ElementHotSauce
- u/Mursu42
- u/Tootboopsthesnoot
- u/New_Youth_7141
- u/SaraCaterina
- u/-Plantibodies-
- u/Pr3t0r
- u/HonkMafa
- u/SubjectArc
- u/jaspy_cat
- u/JLN_C-137
- u/CheesecakeOld8083
By votes
- u/Andrew_Higginbottom
- u/HealingHobbies
- u/Mjfch
- u/ddanchuk
- u/njy1991
- u/hydrofarmer1
- u/khurb
- u/bezchlebika
- u/DamagedFreight
- u/ElementHotSauce
- u/MasterBlaster4949
- u/-Dubwise-
- u/Lewd_Thude
- u/eLicky
- u/ArnauAguilar
- u/elaybanville
- u/Mursu42
- u/Few_Character_3301
- u/AsiaCityPrep
- u/Curbsidewin
- u/Think-Salamander-516
- u/Scrog_Bae
- u/Tootboopsthesnoot
- u/New_Youth_7141
- u/SaraCaterina
- u/Pr3t0r
- u/-Plantibodies-
- u/strangetopquark
- u/HonkMafa
- u/Loud-Example9255
- u/phinine
- u/mdixon12
- u/OutrageousFlatworm38
- u/SubjectArc
- u/jaspy_cat
- u/JLN_C-137
- u/fl0yd13
- u/CheesecakeOld8083
- u/rambocp
- u/ChairmanJones
- u/IanSDyer
- u/CookSignificant446
- u/No-Temperature-6803
- u/invisibleperson555
- u/Jon_Ofrie
- u/rjselzler
- u/BradyLange
- u/gendor182
- u/jhtitus
- u/Idkmsn2
- u/oneha1f
- u/WideSavings129
- u/Technical-Raisin7013
- u/GFunk_Allstar
- u/christophecaron
- u/Dbolla5
- u/WarmWedding1101
- u/CalebLF10
- u/BrokeAsAJokeyJoke
- u/SnickeringBudgie
- u/Yukenna_
- u/bigmustardpapa
- u/SocBarcophagus
- u/yo-boi-alex
- u/longboarder116
- u/freeradicalx
- u/_waffoo_
- u/Ok-Independent-9133
- u/roastymctoasty
- u/emma-chan98
- u/Fearless-Store3226
- u/Anointing228
- u/SPACECA53
- u/badass708
- u/Nana8batman
- u/PepperGrower292
- u/FIDI_G
- u/Strict_Foundation_13
- u/N2metal
- u/NoSink4407
- u/Dinahmoe
- u/iwihduhh
- u/Novel_Variation2879
- u/ToothPuzzleheaded185
- u/dvsumo
- u/can-na-co-pi-a
- u/ToxikMango
- u/schwat
- u/Maker2402
- u/jimbob12343266
- u/Lost-Royal-5854
- u/ekkridon
- u/armchairvegan
- u/mehmilani
- u/Medical-Hovercraft-8
- u/Ainaman
- u/furioust0m
- u/clean_rebel29
- u/smlangill
- u/spikespine
Top commenters
By comment count
- u/[deleted]
- u/NoMobile7426
- u/Azwatersnake12345
- u/DuhBearsGuy
- u/njy1991
- u/okbruh_panda
- u/vishuskitty
- u/HitNRun_
- u/Jackwilltellyou
- u/Apprehensive-Today76
- u/phinine
- u/flash-tractor
- u/Avocadosandtomatoes
- u/Think-Salamander-516
- u/Suspicious-Service
- u/Notrilldirtlife
- u/RussD1116
- u/TolMera
- u/eLicky
- u/TomTheGeek
- u/DonBosman
- u/AsiaCityPrep
- u/ChairmanJones
- u/MaleficentBunny
- u/RiverBuddha72
- u/Xanophex
- u/mistahclean123
- u/Inevitable_Ad_3385
- u/Estelmayer
- u/Kerrdog04
- u/skribbblez
- u/jjrmcr
- u/BenChoopao
- u/ricencocoa
- u/meow_yang
- u/Briwilks2
- u/longboarder116
- u/thetechnocraticmum
- u/Mursu42
- u/DJ_Doniz
- u/smoresomemore
- u/phd_in_awesome
- u/Gardenify
- u/Queasy_Engineering18
- u/Buddz_Greenery
- u/InitialMention0
- u/BrokenSage20
- u/nasy13
- u/acwildchild
- u/The_Wingless
- u/Brophymusprime
- u/jearron
- u/Sev-is-here
- u/windowpsil
- u/Crazymfpoison
- u/Unsung-torpidity
- u/TopShelfTrees4
- u/85KB
- u/Trepsik
- u/werew0lfsushi
- u/scarletshrub
- u/MalakaiRey
- u/WanderingThunder
- u/front_yard_duck_dad
- u/KoljaRHR
- u/koolbro2012
- u/Independent_Present9
- u/Useless_Advice_Guy
- u/uncl3_Fest3R
- u/Coopalooop21
- u/NoDurian966
- u/maggieufledu
- u/bradtwincities
- u/Immediate-Couple149
- u/DirtyGingy
- u/CheeCheeC
- u/UnhappyImpression345
- u/ColtC7
- u/Methoszs
- u/-StrawberryMoon-
- u/Professional_Beez
- u/dlvanbrunt
- u/dammit-smalls
- u/EaddyAcres
- u/CaptainPolaroid
- u/coffeejn
- u/geetarzrkool
- u/MundanePlantain1
- u/Beaudism
- u/Majestic_Fall_5809
- u/hjras
- u/FIDI_G
- u/AgricolaRex
- u/ijustdontgiveaf
- u/Ricklmesa
- u/Dramatic_Mixture_868
- u/StillLoading2021
- u/ceno_byte
- u/LGgrows
- u/Loud-Example9255
By votes
- u/[deleted]
- u/samplebitch
- u/DirtyGingy
- u/Sparrow77
- u/gjr23
- u/TolMera
- u/RoboGrow
- u/dlvanbrunt
- u/dammit-smalls
- u/ijustdontgiveaf
- u/flash-tractor
- u/partumvir
- u/acwildchild
- u/Azwatersnake12345
- u/wh33t
- u/Mursu42
- u/GrowingUpCanada
- u/Estelmayer
- u/DJ_Doniz
- u/Critical_Document_58
- u/bolonga16
- u/geeceeza
- u/InitialMention0
- u/The_Wingless
- u/Ricklmesa
- u/Suspicious-Service
- u/mushroomflounder
- u/BecaZaur
- u/StalkySpade
- u/MaleficentBunny
- u/RiverBuddha72
- u/BrokenSage20
- u/werew0lfsushi
- u/sheepsy90
- u/falkenbergm
- u/Thebitterestballen
- u/pooperscoopislarge
- u/catalinawinemixer123
- u/PUTYOURBUTTINMYBUTT
- u/Kerrdog04
- u/skribbblez
- u/DuhBearsGuy
- u/HitNRun_
- u/CaptainPolaroid
- u/Dramatic_Mixture_868
- u/martinkem
- u/GFunk_Allstar
- u/TomTheGeek
- u/MyWifeisHigh
- u/Jon_Ofrie
- u/youaintnoEuthyphro
- u/Xanophex
- u/oneha1f
- u/Prior-Money-1997
- u/show_me_your_secrets
- u/NoMobile7426
- u/okbruh_panda
- u/windowpsil
- u/MalakaiRey
- u/WanderingThunder
- u/CheeCheeC
- u/EaddyAcres
- u/MundanePlantain1
- u/keegorg
- u/Notrilldirtlife
- u/No-Marzipan-2423
- u/drizzyjdracco
- u/ditfloss
- u/oG-Purple
- u/ChairmanJones
- u/EbriusOften
- u/Puzzled_Enthusiasm14
- u/th3m4g3
- u/mistahclean123
- u/DryFaithlessness4509
- u/Inevitable_Ad_3385
- u/Crazymfpoison
- u/vishuskitty
- u/front_yard_duck_dad
- u/njy1991
- u/NovelTumbleweed
- u/Kanotari
- u/fenixjr
- u/halchemy
- u/z-m-r-a
- u/Miserable_Window_906
- u/Bobthecatisgreat
- u/DonBosman
- u/DarinP93
- u/ChrisB911
- u/Tymirr
- u/seanbasquiat
- u/mdixon12
- u/bobjones7300
- u/HelicopterThink9558
- u/DeadDad666
- u/foxhelp
- u/jjrmcr
- u/BenChoopao
- u/ricencocoa
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/hydro — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/hydro have?
r/hydro has approximately 130,851 subscribers as of May 27, 2026.
When was r/hydro created?
r/hydro was created on November 4, 2009 (17 years ago).
What is r/hydro about?
The community focuses on hydroponic gardening, providing a space for members to share grow journals, ask questions, and engage in discussions about various hydroponic techniques. It caters to a wide range of gardeners, from hobbyists to commercial growers, emphasizing the cultivation of universally legal plants. The community distinguishes itself by promoting a non-technical…
What subreddits are similar to r/hydro?
Communities similar to r/hydro include r/hydroponics, r/aquaponics, r/dwc, r/kratky, r/aeroponics.
Who are the most active posters on r/hydro?
The most frequent posters on r/hydro include u/Andrew_Higginbottom, u/HealingHobbies, u/ddanchuk.
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