HTG Supply Grodan Rockwool / Stonewool 6″ x 6″ x 4″ Gro Block Single

OverviewGrodan Gro Block Improved GR22 Jumbo 6″ with Holes New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and improved EC control with less water is achieved in the root zone due to the uniform, optimized wool resulting in sustainable water and nutrient use. Improved “re-wettability” able to more easily increase water concentration in the substrate.Features: 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.     Excellent water-holding capacity    Cultivate more uniform and high-quality crops    Faster rooting-in of plants    Less water and nutrient usage throughout the entire crop cycle    Uniform Water Content and Electrical Conductivity distribution throughout the block    Delivers real results to your crops    Higher plant yields Grodan Precision Irrigation Guide Grodan Gro-Block Wetting InstructionsSpecificationsWeight1 lbsDimensions3 × 24 × 4 inBrand GrodanProduct Category Soil & Grow Mediums