Products Description
Stone Rockwool Grow Cubes RB200
The 8 - inch cubes boast twice the volume of 6 - inch grow blocks. They offer ample space to support a large plant throughout its entire life cycle, making them particularly ideal for the final stage of cannabis cultivation.
8" x 8" commercial - grade grow block is a top - choice for hydroponic growers. It's crafted to support larger root systems during the vegetative growth stage of plants.
When it comes to moisture management, the 8 inch rock wool planting cube excels. It has excellent moisture - holding capacity while also allowing for effective dry - back, which ensures optimal oxygenation for the roots.
| Model | Size(mm) | Size(inch) | Precut-hole size(mm) | Quantity per carton(pieces) |
| RB200S | 200x200x100 | 8"x8"x4" | null,optional | 36 |
| RB200M | 200x200x200 | 8"x8"x8" | null,optional | 18 |
Parameter
Features: Light-blocking wrapping film
pH<7.5
Sink time<10s
Water absorption rate≧900%
Organic matter content <1.5%
Toxic & Harmful Heavy Metals Content: Not detectable
Application
It is typically utilized in the final stage of cannabis cultivation.
Capable of sustaining very large plants and even small trees throughout their entire lifecycle.
It can be used in combination with Rockwool plug TP40/TP50 mini grow blocks.
Product Advantage
1.Ideal water-air balance;
2.Root-safe transplant finishing;
3.Grooves aid drainage & enable root air pruning;
4.Uniform water content & conductivity across cubes;
5.Rapid root system development;
6.Compatible with most grow slabs.
Usage Tips:
1.Soak the medium in a pH - balanced nutrient solution for 15 minutes and then drain it.
2.Transplant:Place your seedling or cutting into the pre - drilled center hole.
3.Irrigate:Start regular irrigation — nutrients will flow evenly throughout.
4.It is suggested to wear a pair of gloves when using.