Rock wool cubes is Made from molten rock spun into cotton candy-like fibers and then compressed into cubes.
After high temperature treatment, non-toxic.The bulk density is small, the texture is light, and the porosity is large.
Good air permeability, strong water absorption and good drainage.Great choice for soilless planting.
Instructions:Preparing and planting in rock cubes.Soak in water for 2 minutes.Take out from the water and place for about 15minutes.Put seeds into the hole of cubes.Spray water after seed inserted.Place it in a seed tray.
Package includes: 50/100pcs* Rock wool cubes. Size: about 25x25x40mm
