Grodan GRO-BLOCK

Grodan GRO-BLOCKS are a specialized hydroponic substrate made from stonewool, also known as rockwool. This mineral wool is created by melting basalt rock at extremely high temperatures and spinning it into fibers to provide a stable, sterile, and highly aerated environment for plant roots. These blocks are a staple in professional horticulture and indoor farming, particularly for their ability to manage water and nutrient distribution with precision.

The Grodan brand was established in the Netherlands during the late 1960s, pioneered by the ROCKWOOL Group. As a global leader in sustainable stone wool solutions, Grodan focuses on circular economy principles, offering recycling programs for their products after use. Today, the brand remains a key part of the ROCKWOOL Group's portfolio, with manufacturing primarily centered in Europe while distributing to agricultural enterprises across the world.