r/SemiHydro is a subreddit with 35k members. The most common kinds of discussions are advice requests and pain & anger, and the community frequently discusses leca, pon, semi hydro, plant, and semi hydro, and they frequently recommend/review fertilizer.
Semi-hydroponics, also known as passive hydroponics or passive subirrigation, is a method of growing plants using an inert medium, water, and liquid nutrients. A constant supply of water reaches the roots via capillary action.
Popular Themes in r/SemiHydro
#1
Advice Requests
: "Help!"
5 posts
#2
Pain & Anger
: "Transition from store soil to pon"
1 post
Popular Topics in r/SemiHydro
#1
Leca
: "Schefflera in Leca?"
66 posts
#2
Pon
: "Transition from store soil to Pon"
63 posts
#3
Semi Hydro
46 posts
#4
Plant
39 posts
#5
Semi Hydro
: "Someone asked about birds nest ferns in Semi Hydro, so I decided to try it"
38 posts
#6
Alocasia
: "What are these weird things on my Alocasia?"
30 posts
#7
Hydro
20 posts
#8
Roots
18 posts
#9
Fertilizer
18 posts
#10
Transfer
16 posts
Products Discussed in r/SemiHydro
Fertilizer
9 reviews
#1
Compo
4.0★ from 1 review
#2
Mairol Hydroponics
4.0★ from 1 review
#3
Luwasa Slow Release Fertilizer
4.0★ from 1 review
Flair Used in r/SemiHydro
#1
Discussion
: "Longest lasting alternative to aquariums"
28 posts
#2
Pon
: "Help, I need to start feeding"
9 posts
#3
LECA
: "Crazy 16 day root growth"
6 posts
Member Growth in r/SemiHydro
Yearly
+9k members(35.2%)
About
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This page gives a focused view of r/SemiHydro, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: June 17, 2026