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...
