As you can see it's started with older leaves and continues to new. I've search about potassium Def but I'm not experienced grower so it's up to you guys.
Yea sorry.
Autoflower 3 weeks old
Biobizz light mix soil
125w CFL dual spectrum
Temps average 26c
Humidity 50
Ph runoff after watering 6.5 (no nutes yes)
I watering with tap water (leave it 2-3 days open in room)
Wet weight 1377g
Dry weight 846g