my baby is in the 3rd week of flowering and has developed a yellowing spreading from the tip along the edges of the leaves in a gradient. the fan leaves on the buds are also curling upwards, too. what's going on here: see what i mean about the yellowing along the serrated edges? never seen this pattern before. hps lighting fox farm tri-pak (open sesame, beastie bloomz, cha-ching) and general bloom nutes 1/2 strength nutes every other feeding, feeding once every three days soil run-off pH is 6.7 temp is 85 F humidity is 30 RH