Tent-X Ultimate Grow Challenge / OwN_Gil: Hulkberry & Shining Silver Haze by RQS

As you can see something goes wrong. Especially the hulkberry's leaves are so damneged,if you had a good eye you could have noticed it in the last week on the leaves's tips. I think is the ph of the water but there was also a cold week outside that influenced the room where the grow tent is. Let's hope