r/Hydroponics is a subreddit with 190k members. The community frequently discusses hydroponics, plants, nutrients, struggling, and looking for, and they frequently recommend/review fertilizer, grow lights, and light, and the most common flair used is question ❔, feedback needed 🆘, discussion 🗣️, progress report 🗂️, and update.
Hydroponics is a method of growing plants without soil, using nutrient-enriched water instead. This technique can involve various inert mediums like sand, gravel, or perlite to provide mechanical support for the plants. *Please note: While we are not against cannabis we will remove them if posted here. Please feel free to share those posts over at /r/Hydro or /r/MicroGrowery - Thank You*
Popular Topics in r/Hydroponics
#1
Hydroponics
239 posts
#2
Plants
50 posts
#3
Nutrients
37 posts
#4
Struggling
35 posts
#5
Looking For
25 posts
#6
Hydroponic
23 posts
#7
Lettuce
21 posts
#8
Seedlings
20 posts
#9
Tomatoes
20 posts
#10
System
15 posts
Products Discussed in r/Hydroponics
Fertilizer
9 reviews
#1
Hydroponic Nutrients
4.0★ from 1 review
#2
Plagron
5.0★ from 1 review
#3
Fox Farm
4.0★ from 1 review
Grow Lights
8 reviews
#1
Barrina
3.0★ from 2 reviews
#2
Generic LED
5.0★ from 1 review
#3
Viparspectra
5.0★ from 1 review
Light
2 reviews
#1
Viparspectra
4.0★ from 1 review
#2
AC Infinity
5.0★ from 1 review
Flair Used in r/Hydroponics
#1
Question ❔
: "What’s the highest EC you have used for tomatoes?"
15 posts
#2
Feedback Needed 🆘
: "First DWC (Apartment) - roast me"
13 posts
#3
Discussion 🗣️
: "basil"
6 posts
#4
Progress Report 🗂️
: "Officially a Hydroponic Enjoyer"
3 posts
#5
Update
: "Update: 100watt One Plant experiment"
3 posts
Member Growth in r/Hydroponics
Yearly
+25k members(15.2%)
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Last updated: July 12, 2026