Those who do not yet know: That's almost completely dry and handy pressed earth in tablet format. By adding water, the tablets inflate to stately balled. The soil blocks are always more beautiful held together by a thin net. A clean so. The young plant or seed can be used directly in the swollen earth ball. When the plantlets is durchwurzelt later strong enough and the soil blocks, you can repot the plant together with the bale. This saves the plantlets to Umtopf-shock that many would especially delicate plants do not, or only survive very stressed.
Conclusion: A clean and safe method that increases the success rate in plant growing incredibly. Great for gardeners with children's. Children have a lot of fun in mind to see the source tablets upon inflation.