hey guys, Have spoken to a few friends from the site (thanks m9 prime) and buzzer... still trying to work out what the F is wrong with my plant.. DWC PH 5.8 Temps - 25 degree. Exhaust fan. Oscillating fans. 1 EC. Trimmed some leaves off last night ana this problem was occurring before then ana woke up and leaves on the bottom (2 biggest fan ones) where f***.