8.8
CastleGreens Hydroponics
These listings offer propagation supplies for growers starting plants from seeds or cuttings. Use these rockwool cubes and nutrients to support early root development
1 system on this hub
Sets Affordable Hydroponic plant food
8.8
Seed germination support
Start new plants with 1 in rockwool cubes.
Cloning and cuttings
Use these kits for successful plant propagation.
Bulk cube sheets
Get 200 cubes across four separate sheets.
Good and less good
After reading 8 reviews
Keepers
- Good seed germination 3
- Successful cloning results 3
- Retains moisture well 2
- Great value price 1
- No mold growth 1
- Secure protective packaging 1
- Uniform cube size 1
Trade-offs
- Falls apart easily 3
- Excessive dust 1
- Low fiber density 1
Notes from buyers
These 1 in cubes are great for starting my tomato seeds.
I used the rockwool for cloning and the roots appeared quickly.
The four sheets provide plenty of space for all my cuttings.
Propagation and Rooting
These 1 in rockwool cubes provide a stable medium for seed germination and cloning. The material supports moisture retention for rooting cuttings.
- 1 in rockwool cubes
- 200 total cubes
- Four sheet sets
- Propagation kits
- Hydroponic plant food


In the range
CastleGreens system in this range cover Affordable, Hydroponic plant food, Rockwool grow cubes.
The hardware
Titles in this CastleGreens set call out the build that shows up in Rockwool planting cubes for seed germination.
Typical work
If you need Affordable, Hydroponic plant food, Rockwool grow cubes, this is the CastleGreens set to scan.
What stands out
1 system listed here give you a side-by-side on Affordable, Hydroponic plant food, Rockwool grow cubes.
CastleGreens Questions
How many cubes are in a set?
This set includes 200 cubes total across four sheets.
What size are the cubes?
Each rockwool cube measures 1 in.
What are these used for?
They are used for seed germination, rooting, and cloning plants.
Does the brand offer fertilizer?
Yes, these listings include hydroponic plant food and nutrients.