That makes a def. more likely, and therefore i dont think an absence of nutrients will solve your problem.
Im not a soil grower so i hope someone like Namvet will find his way to this thread. When you say 0,5ml do you mean 0,5ml/L
Im not a soil grower so i hope someone like Namvet will find his way to this thread. When you say 0,5ml do you mean 0,5ml/L