Grodan or rockwool issues

[Cannabistudent]

For people that have used Grodan products or other types of rock/mineral wool, what issues have you come across?

 

[Airwalker16]

For people that have used Grodan products or other types of rock/mineral wool, what issues have you come across?

They stay too wet. Don't use it for seedlings

 

[rkymtnman]

too wet, too dry, pH issues, etc.

use rapid rooters