Rockwool Cubes 4x4cm (no brand) 1300 pieces

Stone wool is light, compact and relatively inexpensive. It has a large water retention capacity and contains a lot of air.

Yet it is true that rock wool, a tropical plant, knows his instructions. A large part of the growers grow too wet. This lowers the recordable EC. That's fine for a growing plant, but not for a thriving.

The PH value of wool is quite high, around 8. It is therefore important wool good in waters with a low pH (5.1-5.5), especially since the rockwool always the tendency, the PH value the mat verhogen.Zet you never pH below 5, you can plant it and against, but not wool. Which will thereby lose its resiliency and collapse. If you treat rockwool goes well with the relatively long.