Flowering progress

My second grow this year is turning out really well! The girls were pretty healthy all through veg and got pretty big. They started flowering about 3 weeks ago. In the past week or so, a lot of the bigger leaves started yellowing. Is this normal? I've been feeding Fox Farm nutes - for the past two weeks it's been a full dose of Grow Big and a half dose of Tiger Bloom which should be ~7-8-6. I've bumped up to a full dose of Tiger Bloom the past few feedings ( ~8-12-8 )

Also, the tips of the hairs started to turn red in the past few days or so. Is this typical? The buds have gotten noticeably bigger as well.

No thrres something wrong if your getting red hairs and yellow leaves at week 3

Are you touching your buds ? This will make the hairs die.

The plant looks a bit hungry but its hard to say i dont run soil , have tou tested your ph?

Hows your roots?

I'll try to post a photo of my outdoor ladies yellowing a bit. for me it happens in mid flowering through the end. However my yellowing does not look like that, it's more mellow yellowing, kinda looks like the plant is sucking the life outta it. It looks like one of the typical deficiencies but I don't remember which one, google image 'cannabis deficiencies chart'

Early finish often means pregnancy or pest issues