Rockwool plate

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 (cubes fit one in the other). 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...