Grodan rockwool starter cubes have a uniform density, firmness and fibrous structure. This means that distribution of water, nutrients and pH-value is also uniform, which has a beneficial effect on germination results.
The fibrous structure, predominantly vertical, gives the cubes the desired resilience. One practical advantage when pricking out is that the cube retains its shape, makes good contact with the transplanting cube and guarantees fast root gro..
Ideal for seed or cutting propagation, the SBS (Single Block System) are supplied in their own handy plastic tray for easy handling. Once young plants are well rooted they can be transplanted to a larger cube or pot of growing medium.
The main difference between Polish and Dutch Grodan are as follows;
Polish Delta 4G and 6.5G Cubes have a slightly larger hole than the Dutch version, in order to accommodate the MM propagation cube.
Polish 25/150 and 36..
Grodan rockwool starter cubes have a uniform density, firmness and fibrous structure. This means that distribution of water, nutrients and pH-value is also uniform, which has a beneficial effect on germination results.
The fibrous structure, predominantly vertical, gives the cubes the desired resilience. One practical advantage when pricking out is that the cube retains its shape, makes good contact with the transplanting cube and guarantees fast root gro..
Ideal for seed or cutting propagation, the SBS (Single Block System) are supplied in their own handy plastic tray for easy handling. Once young plants are well rooted they can be transplanted to a larger cube or pot of growing medium.
The main difference between Polish and Dutch Grodan are as follows;
Polish Delta 4G and 6.5G Cubes have a slightly larger hole than the Dutch version, in order to accommodate the MM propagation cube.
Polish 25/150 and 36..