Rockwool cubes. Rockwool is used by professionals and amateurs alike. Rockwool cubes are inexpensive, reusable and sterile.
Better oxygenation of roots
Good water and nutrient retention
Avoids transplanting problems.
Practical for hydroponic systems such as Ebb&Flow or Floraflex
When using dry rockwool, we recommend the use of a mask and gloves to avoid skin and respiratory tract irritation.
There are no special measures for the wet state.