Grodan® GRO-BLOCK Improved GR10, Large 4" Block with Hole, 4" x 4" x 4", 6 Blocks Per Strip (24 Strips/Case)

Grodan GRO-Block Improved GR10 - Large 4" (4 x 4 x 4) with Hole - Unwrapped Strips in Carton, 144 Units (24 Strips of 6) A core component of our "Precision Growing” philosophy, Grodan Improved Gro-Blocks with Advanced Wetting Technology allows you to cultivate more uniform and high-quality crops while using less water and nutrients, batch after batch. Leverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro-Blocks Improved with Advanced Wetting Technology — our improved stone wool substrate. PRECISION GROWING PHILOSOPHY - Grodan Improved Gro-Blocks with Advanced Wetting Technology allows you to cultivate more uniform and high-quality crops while using less water and nutrients, batch after batch OPTIMAL FIBER STRUCTURE - ideal physical properties for crop uniformity, more even Water Content (WC) and Electrical Conductivity (EC) distribution throughout the entire block, and the greatest st