Features:
Made from molten rock spun into cotton candy-like fibers and then compressed into cubes.
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.
Specifications:
Material: rock wool
Colour: green
Size: about 14x14x5cm
Quantity: 50pcs
Instructions:
Preparing and planting in rock cubes.
Soak in water for 2 minutes.
Take out from the water and place for about 15 minutes.
Put seeds into the hole of cubes.
Spray water after seed inserted.
Place it in a seed tray.
Package includes:
50 x Rock wool cubes