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Grodan 1.5" Rockwool Starter Mini-Blocks are premium, pH-neutral cubes designed for efficient seed starting and cloning in hydroponic setups. Each pack includes 30 uniform blocks that ensure optimal moisture retention and aeration, accelerating root development and simplifying transplanting for both hobbyists and professional growers.
| ASIN | B07MHG22Y6 |
| Best Sellers Rank | #129,485 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #96 in Hydroponic Growing Media |
| Brand Name | Twin Canaries Liquid Volume Conversion Chart |
| Capacity | 0.03 fluid ounces |
| Color | Green |
| Customer Reviews | 4.5 out of 5 stars 449 Reviews |
| Finish Types | Unfinished |
| Included Components | Grodan 1.5'' Rockwool Starter Mini-Blocks |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions | 1.5 x 1.5 x 1.5 inches |
| Item Dimensions D x W x H | 1.5"D x 1.5"W x 1.5"H |
| Material | Cotton |
| Material Type | Cotton |
| Mounting Type | Floor Standing |
| Number of Levels | 1 |
| Number of Pieces | 30 |
| Other Special Features of the Product | organic |
| Pattern | Solid |
| Plant or Animal Product Type | plant |
| Planter Form | Plant Pot |
| Product Style | Modern |
| Set Name | Grodan 1.5" Rockwool Starter Mini-Blocks + THCity Stakes (30 Blocks) |
| Shape | Rectangular |
| Size | 1.5" |
| Special Feature | organic |
| Style | Modern |
| Theme | Gardening |
| Unit Count | 30 Count |
R**H
Excellent seed starter
Loved the cubes. Work excellent with clones... will buy again in the near future.
S**A
Very useful
Pros: *Pretty easy to use * Great for hydroponics * Will absorb water and nutrients very well. Cons: *Not for starter seedlings or seedling/saplings plants (while attempting root establishing, better to use the smaller starter cubes so that the roots touch walls of rockwool.) * can cause root rot! ( to prevent this, I use clay pebbles as an additional medium in hydroponics.)
D**R
Great Product!
Great Product!
D**N
Little small..
It's like a inch maybe a little more or at least mine was. Still it doesn't matter hope they work just as well.
S**S
Always good results
I never clone with anything else I love these
M**E
Great product good price
Great product good price
P**.
Grodan is more consistent
I used these before, then bought practico. With the practico I would dunk them in water and then go to shake out the excess and they held onto a lot of water in one area and not as much in another area. The grodan are consistent. You shake them out and the water is held equally through the cube.
G**O
Great little grow cubes.
Perfect for clones or hydroponics starts. Be aware that they will raise the pH up a little so keep a eye on that.
Trustpilot
1 month ago
3 days ago