W WildBill420 Active Member Nov 6, 2008 #21 I was told that yellowing only at the tops of plants is usually a ph issue.
S smokeandfly Well-Known Member Nov 6, 2008 #22 could be ph issue it could be nute block which is caused by ph but at the same time nute block is the same as not enough nutes its just a differnt way of getting there if u get what i mean.
could be ph issue it could be nute block which is caused by ph but at the same time nute block is the same as not enough nutes its just a differnt way of getting there if u get what i mean.