9.1
Hydroponics
/ The Hydroponic City
The Hydroponic City Hydroponics
This set provides rockwool cubes and high-capacity trays for large scale seed starting and aeroponic setups
Best choice
The lineup
2 systems on this hub
Sets Rockwool grow cubes
What stands out
Grodan Rockwool Media
The 1.5 in cubes provide a stable base for roots.
High Capacity Trays
The 720 cell sets allow for bulk plant propagation.
Included Support Stakes
Stakes are provided to help organize and mark your plugs.
From the notes
Good and less good
After reading 8 reviews
Keepers
- Great value alternative 2
- Dense strong material 1
- Durable when cutting 1
- Fast root visibility 1
- Fits standard blocks 1
- Good net cup fit 1
- Sturdy after soaking 1
Trade-offs
- Cheaply made cubes 1
- Hard to label 1
- Harder than Grodan 1
First-hand
Notes from buyers
The 1.5 in rockwool cubes fit perfectly into my trays for starting my aeroponic garden.
I was able to start a huge number of seeds using the 720 cell tray set.
The stakes included with the Grodan plugs helped me label all my different seedlings easily.
Why it’s listed
Propagation and Media Specs
These listings focus on Grodan rockwool cubes and multi-cell trays for aeroponic growing. The 1.5 in plugs are sized to fit standard seed starter trays.
- 1.5 in Grodan rockwool
- 720 cell tray sets
- 120 individual trays
- Hydroponic support stakes
- Aeroponic system compatibility
- 98 plug rockwool sheets
Why these models
What we make
The Hydroponic City focuses on Rockwool grow cubes in the current models.
What they use
Read the listed parts and finishes — Rockwool cubes for seed starting with stakes; Large cell count tray with rockwool cubes — rather than a slogan.
Day-to-day use
Pick a The Hydroponic City model from Rockwool grow cubes when that is the job you have.
Look here first
Use Rockwool grow cubes to tell one The Hydroponic City model from the next.
Quick answers
City Growing Questions
What size are the rockwool cubes?
The Grodan rockwool cubes are 1.5 in.
How many trays come in the large set?
The large set includes 120 trays with 6 cells each for a total of 720 cells.
What growing method are these for?
These are primarily for propagation, cloning, and aeroponic growing systems.
Are stakes included?
Yes, these listings include hydroponic stakes for your starter trays.