Rockwool

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...

Rockwool Cubes 15 x 15 x 14.2 cm. Hole 40/40mm. Sold in a box of 48 pieces by Grodan.

Box of 48 cubes of rock wool. 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 It avoids the problems due to the transplants. Practice for hydroponic systems type Ebb&Flow We recommend that, when using the rock wool in the dry state, use a mask and gloves to avoid irritation to the skin and...

hydroponic growing medium par excellence, used in professional horticulture (cheap, reusable and sterile), rock wool is the substrate that has long been proven: Optimal -oxygénation the root level; -Good water retention and nutrient microelements; -property anti-decay; -évite transplant shock. However, rock wool requires some precautions, especially at ports sec.Les mask and gloves are recommended state as it is irritating to the skin and respiratoires.Humide ways, it remains harmless....