Grodan Growcubes combine the qualities of clean and manageable rock wool substrates with the demands that are made of a loose substrate for containers or pots.
Stonewool (also known as Rockwool) is manufactured from natural lava. The Grodan stonewool product is the main reason that most of the worlds greenhouse vegetables are now grown hydroponically.
Grodan Growcubes combine the qualities of clean and manageable rock wool substrates with the demands that are made of a loose substrate for containers or pots.