Rockwool

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 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....