Vender Bsfc 10/50Pcs Soilless Cultivation Rockwool Sheet Block Seed Raising Soilless Block Fancy al mejor precio

Instructions: -Made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs -Has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth -After high temperature treatment, non-toxic and sterile. The bulk density is small, the texture is light, and the porosity is large. Good air permeability, strong water absorption and good drainage. -Suitable for the cultivation and colonization of all kinds of plants. Great choice for soilless planting. Material: rock wool Size: about 25x25x25mm/25x25x30mm/25x25x40mm(option) Package included：10/50pcs Rockwool Cubes