How To Plant Weed Seeds In Rockwool Cubes. After a few days, you will see the plants starting to sprout. All you have to do is to carefully insert the sprouted seed in a rockwool cube and then place it beneath the lights.
As soon as plants are established in these cubes, they are ready to be transferred to a much bigger cube. Be extra careful in transferring your plants as you may damage the cubes.
100pcs Grow Plug One Pack Grodan 1 Starter Plugs Cubes
Compact the soil down and soak with water. Cover your humidity dome (you need some sort of high humidity environment so if you don’t have a humidity dome use clear plastic or glass to cover) and place under light.