How old are the plants? Any pictures available?

What have you been feeding the plants, and why were you flushing them?

A bit more information might make it easier for you to get your answers
SmokeyD.Bear Reviewed by SmokeyD.Bear on . Bottom leaves are turning yellow. Bottom leaves are turning yellow and tips turning brown. Older and new bottomer leaves. Temperature is 24-32, I have flushed them a lot. Outdoor. Rating: 5