18x trays - box off 150x25mm GRODAN - ROCKWOOL PROPAGATION GROW CUBES
Cubes are made to fit the large hole and small hole blocks. grodan 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. Grow blocks feature grooves at the base to promote better drainage. Available in different sizes to suit all types of plants. Blocks can be placed in grow pots filled with Mapito or Mini Cubes or on top of a slab to provide for a larger growing volume.