Speedgrow Green / Cultilene cube rockwool 7.5 x 7.5 x 6.5 cm

Speedgrow Green / Cultilene cube 7.5 x 7.5 x 6.5 cm with hole 

Rockwool cubes are completely natural product made of stone by using very high temperatures therefore it is completely sterile without any diseases or pests and safe for humans and the environment.

Rockwool guarantee excellent water / air conditions for better root development and faster plant growth.

Can be used several times.

• Completely sterile - ideal hydroponic growing medium.
• Reduced risk of pests and disease.
• Strong root growth due to vertical fiber structure
• Increased root development - Rockwool's structure is designed for optimal air / water balance.
• Easy to re-saturate if it dries out

Use instructions and more information: See video !