25x25x40 мм гидропонного выращивания блоки сад кубики Rockwool мини практичным швейная машина парниковых гидропоники растут посадки сжатия база

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
Color: green
Size: about 25x25x40mm
Quantity: 50pcs, 100pcs
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
Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.