Cultiwool 4" x 4" x 4" Blocks of Cultilene Rockwool - Case of 144Description Unique Cultiwool 4" x 4" x 4" Block (144 Blocks Case): Cultiwool's growing blocks offer an exceptional way to nurture plants. The exceptional feature is largely due to the homogeneous distribution of water throughout the medium, allowing for quick and easy water absorption, which is crucial for any growing medium. Notable High Quality Stone Wool: Besides boasting an advanced standard of stone wool in the market, Cultiwool takes pride in