Top 10 Hydroponics Forums in 2025

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The best Hydroponics forums, communities, discussion and message boards curated from thousands of forums on the web and ranked by popularity, active threads, and member count.more
What is Hydroponics Forum?
A Hydroponics Forum is a community for hydroponic experts, gardeners, hobbyists, and enthusiasts to discuss hydroponics farming and cultivation. Get to know which country is leading in hydroponics and what are some of the disadvantages of hydroponics farming. Check out the Hydroponics Forums to learn how to grow plants, vegetables, and fruits using hydro. Ask questions related to issues you face and get help from hydroponics experts. Talk about your favourite plants to grow using hydro and share tips, resources, guides, tutorials, and more for hydroponics beginners.
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Hydroponics Forums

Here are 10 Best Hydroponics Forums you should follow in 2025. Subscribe in one place on FeedSpot Reader.

1. Reddit » Hydroponics

Reddit » Hydroponics Forum https://www.reddit.com/r/hydro/ + Follow
A home for hydroponic gardeners, from hobbyists to commercial growers.
Facebook Followers 1.9MTwitter Followers 1.1M Since Nov 2009 View Recent Threads

2. Grasscity.com » Hydroponic Growing

Grasscity.com » Hydroponic Growing Forum https://forum.grasscity.com/forums/hydroponic.. + Follow
Discussions on all non-soil cannabis growing with sub forums for aeroponics and coco coir.
Facebook Followers 105.8K Since May 2020 View Recent Threads

3. THCFarmer » Hydroponics

THCFarmer » Hydroponics Forum https://www.thcfarmer.com/forums/hydroponics.29/ + Follow
Hydroponics, aeroponics, and aquacultures. Troubleshoot hydro systems: NFT, Ebb & Flow, bubblers, or hydroponic nutrient solutions.
Twitter Followers 308 Since Jun 2008 View Recent Threads

4. Marijuana Passion » Marijuana Hydroponics

Marijuana Passion » Marijuana Hydroponics Forum https://www.marijuanapassion.com/forums/marij.. + Follow
This section of Marijuana Passion is a place to discuss hydro growing.
Since Apr 2005 View Recent Threads

5. THCtalk.com » Hydroponic Growing

THCtalk.com » Hydroponic Growing Forum https://www.thctalk.com/cannabis-forum/forumd.. + Follow
THCtalk.com is a cannabis growing & marijuana discussion forum. This section is for discussion on all hydroponic growing and methods like nft, ebb and flow, aeroponics.
Facebook Followers 1.6KTwitter Followers 689 Since May 2007 View Recent Threads

6. UK420.com » Hydroponic Q+A Latest Topics

UK420.com » Hydroponic Q+A Latest Topics Forum http://www.uk420.com/boards/index.php?/forum/.. + Follow
This section of UK420.com is a place to ask questions specific to growing using hydroponics.
Since Jan 2002 View Recent Threads

7. Self Sufficient Culture » Hydroponics & Aquaponics

Self Sufficient Culture » Hydroponics & Aquaponics Forum https://www.selfsufficientculture.com/forums/.. + Follow
Facebook Followers 648KTwitter Followers 2.8KInstagram Followers 54.8K View Recent Threads

Additional Forumsⓘ

  1. Houzz » Hydroponics is for the discussion of hydroponics--the process of growing plants in water-based solutions. It is meant to cover techniques, equipment and appropriate plants.