Here's my situation:
AK-47, week 8 of veg.
Potted up in Bat Mix (4-16-4) 4 weeks ago, suppliers say this has enough nutes for 6 weeks, so no other nutes.
Watering on a wet dry cycle, temps between 70-85, humidity 40-50%
I've got a little tip burn, but more worryingly a LOT of yellowing /...