Grorox is a safe, renewable and ecological product. It is made with natural clay. It is then transformed into small balls that are cooked to expand and become porous, thus providing good drainage and excellent oxygenation in the root zone.
It is a clean, neutral, light and recyclable substrate.Well chosen, it is one of the main conditions for your growing success in hydroponics.
There are several kinds of clay pebbles: the best ones, among which GHE’s mi..