Rockwool Gro Slab 40″ x 6” x 3″

Wrapped in plastic to keep algae down to a minimum, and can be cut down to any length

Excellent distribution of water to ensure optimum air/water ratio  Vertical Fibres  The strong root development makes for perfect root distribution through the block and results in quantities of root tips at the bottom of the blocks that other blocks simply cannot match, guaranteeing fast rooting after planting

Quantity 

A bail contains 12 slabs