Grodan Improved Hugo (6x6x6") is a premium stone wool growing block designed for superior plant growth and health. Made from molten rock spun into fibers, Grodan Stonewool offers unmatched nutrien...
Grodan Improved Jumbo (6x6x4") Stonewool Growing Block is engineered to provide optimal support for your plants throughout their growth stages. Made from molten rock spun into fine fibers, Grodan S...
Experience superior plant growth with Grodan Improved Mini Gro Blocks (1.5x1.5x1.5"), now available in a convenient 45 pack. These mini blocks feature a new density and hydrophilic technology, ensu...
Grodan Cress Plate is the thinnest stone wool product available, measuring just 0.3 inches. It's perfect for growing microgreens and micropropagation of plants like arugula, chives, mizuna, basil, ...
Grodan Stonewool A-OK Starter Plugs (1.5") are designed to provide the ideal environment for seed and cutting propagation. Made from molten rock spun into fine fibers and compressed, these plugs of...
Grodan Uni-Slab (9.5x8x4") is designed with advanced wetting technology, offering a wide control range for precise irrigation management. This improved stone wool slab ensures uniform water content...
