Grodan was established in 1979 it is one of the leading manufacturers of stone and rockwool substrates in the horticultural and Hydroponics industry.
With their constant quality control, all medium is sterile and contains no contaminants with an optimum range of control, effectively enabling high yields and high quality produce, with minimal water and nutrient requirements.
100% recyclable
simplicity to use with low energy consumption and sustainability
nvironmentally friendly