Cultilene Rockwool 100mm Cube with Small Hole

Cultilene Rockwool 100mm (4") Cube with Small Hole (28/35) Cultilène is one of the world's leading substrate producers. They have a great reputation in the industry as a company that puts the grower first. The Cultilène Rockwool growing blocks have a very firm structure. A very high consistency and very thin fibre structure gives optimum root development leading to increased yield. These Cultilene cubes have an effective air-to-water ratio and a reliable homogeneity with great strength and dimensional stability and excellent controllability.