WHITE FIRE OG 5th week 12/12 rockwoolFeeding 1000-1200 ppm /ph 5.7/5.9 General Hydroponics:-Flora nova bloom-Kool bloom -Floralicious-Flora blendTemp. 79°f/63°fRh 25%/44%Clones where doing great till week 4 margins started to burn on fan leafs then yellow start to apear follow by dry areas .I startedFeed/ feed/flush but hasnt help. What uwifi guys think ?