Grodan Delta 4G (75x75x60 mm)

Grodan is a part of the Rockwool group, the market leader in creating new products and ways to use stone wool. The stone wool used for the Rockwool cubes is derived from basalt, a natural volcanic rock. 

These products are contain no pollutants, plant diseases and enable recirculation of water and nutrients, meaning that there will be no nutrient run-off or waste. 

Therefore, these grow cubes and propagation cubes lets you maximise the yield based on the input of water and nutrients added, allowing for a reduction in growing costs and increase in yield and quality from the crops.