Cultiwool 4" x 4" x 4" Blocks of Cultilene Rockwool - Case of 144

Description 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 being the pioneer in introducing the 'donut ring' to the retail market. The 'donut ring' stands as an added advantage to the cross grooves, enhancing water flow beneath the block and the black/white foil that successfully prevents algae growth. Improved Waterflow: To enhance the flow of water beneath the block, Cultiwool substrate blocks are equipped with drain grooves at the bottom, which is particularly beneficial when placed on cultivation tables and concrete floors. The reduced contact surface with the ground, a result of these gr