So my girls are right at 3.5 weeks into flower and I feel like they had a stronger scent earlier on. Have a lot of fan leaves turning yellow and dying closer to bottom/middle. No new leaves or buds have any discoloration.
lower leaves dying is normal. as the plant grows bigger it senses that the lower leaves are not getting exposed to light and so eventually it stops maintaining them and they die. Rule of thumb, if the top growth looks good you should be good to go.