Mineral Substrates

Grodan offers these cubes of substrate rock wool of 36x36x40mm

Substrate in a cube of rock Wool The cube of wool of rock proves to be very convenient is ideal for many system culture horticole. The small size of the cubes allow bouturages or seedlings easy to repot. The rock wool is used by professional and enthusiasts alike, the rockwool cubes have the distinction of being inexpensive, reusable, and sterile. Advantages: Better oxygenation of the roots Good water retention and therefore nutrients Prevents rotting Practice for hydroponic systems type...

Rockwool Cubes 7.5cm in size to create multiple cuttings or transplant seeds. The Grodan rock wool allows an increase of your productions.

Rock wool cube of the brand Grodan x384 Dimensions: 75x75x65mm Hole diameter: 25 / 35mm These 7,5 cm cubic grodan cubes fit perfectly into an Ebb and Flow / Hydrostone ( NFT ) system or before potting in the ground. Rockwool is widespread, especially among horticultural professionals; the majority of tomato crops grown in the agri-food industry are grown on this substrate. Rockwool is known for its ability to retain water and nutrients, its irrigation therefore requires great attention from...