I also had a similar problem.
In my case it was caused by too much water.
Now I try to use transparent pots, helps me to better judge the health of the roots and the degree of humidity of the medium
I also had a similar problem.
In my case it was caused by too much water.
Now I try to use transparent pots, helps me to better judge the health of the roots and the degree of humidity of the medium
How often you used to water them and how often now my friend?