GroDan

About

Grodan is a worldwide leader in the development of innovative stone wool substrate solutions for professional horticulture, based on Precision Growing principles. Grodan collaborated with Wageningen University and Research in The Netherlands, as well as leading producers throughout North America, to determine the best stone wool substrates and irrigation techniques for specialty crops. Great for indoor gardeners that are wanting a well-defined root disruption, optimal nutrient uptake, and robust crops.