I know its old post but ive been researching the symptoms for this one but cant find anything so im here to see if someone can help. Heres a little info on her: about 6-7 weeks in flower in DWC. ph stays between 5.6 to 6.0 TDS is around 1150. temp between 70F to 75F and humidity around 45% to 55%. strain is LSD. Using the Botanicare Pure Blend Grow (veging) and Bloom (flowering) plus Liquid Karma, Silica Blast, and Sweet. Using tap water but dechlorinated with Prime (aquarium conditioner). If need more info to properly diagnose feel free to ask, Ill provide as much as I can. heres some pics of the leaves, and buds of same plant.