r/SemiHydro is a subreddit with 37k members. The community frequently discusses leca, pon, semi hydro, plant, and semi hydro, and they frequently recommend/review fertilizer, and the most common flair used is discussion, leca, pon, moss, and pumice.
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 Topics in r/SemiHydro
#1
Leca
66 posts
#2
Pon
63 posts
#3
Semi Hydro
46 posts
#4
Plant
39 posts
#5
Semi Hydro
38 posts
#6
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
: "I made/designed AN AWESOME 5inch semi-hydro pot and am giving it away for FREE"
81 posts
#2
LECA
: "Crazy 16 day root growth"
64 posts
#3
Pon
: "Behold. My collection of semihydro office plants."
42 posts
#4
Moss
: "HOLY! only 3 months progress"
3 posts
#5
Pumice
: "What do you think?"
1 post
Member Growth in r/SemiHydro
Yearly
+9k members(33.8%)
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Last updated: August 13, 2026