this is my grow of kings kush, Cheese, From Greenhouse.....and Mazar-I-Shariff, 7 plants 2 of them which are gettin this weird problem...dont know what to do i have flushed i have givin nutes....I need a second guess....Its like my veins or rotting out and causing the leaf to yellow almost like a burn.....Could be ph.....been using fox farm...with no additional nutes after transplanting they grow grow grow then all the sudden this happens...so i give nute it doesnt go away so i flush and it still doesnt go away....something im doing wrong...using 10 gallon pots...they all do fine in the fox farm soil for about a month or 2 then this happens...its all over the plant budz are smaller, more yellowing is starting to occur