Nutrient deficiency or just cannabilizing?

They started week 6 of flower last Sunday. These fan leaves are on the bottoms. I've had some fall off already like they were sucked dry. But the Blue Dream leaf looks like it has grey blotch.

I've been feeding them 5ml of FF Grow Big and 10ml of Alaskan Fish Fertilzer Morbloom for the PK. Ppms of solution was 1200 to 1400.

I fed them every watering 2-4 days last watering I gave them just pH with 3ml of Calmag.

No issues with leaves halfway and above. All 4 plants are getting same feeding and environment.

I have noticed this grow I am getting gangbusters on flowering and bulking up.

I'm not sure if this is deficiency of Phosphorus and/or Potassium or just normal mid flowering leaf loss.

I usually lollipop all the lower leaves but this time left some of the main fan leaves for natural nutrient storage usage.

Thanks in advance.

Probably alittle low in nitrogen or normal die off.. your 4 weeks or so from the finish line just keep an eye on them to see if they fade to fast..

Looks low in N. Keep feeding a balanced nute regimen till the end.

Hollatchaboy said:

Looks low in N. Keep feeding a balanced nute regimen till the end.

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Yeah seems to be Nitrogen deficiency. The rabbit poop and bat poop must be spent.

Ill increase the Grow Big to 10 mL. Blue Dream supposedly requires 2X the amount of Nitrogen from what I read but the other 3 are different strains and same issue. But their soil came from all one batch of organic soil I made.

What media are you using?

Rurumo said:

What media are you using?

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Homemade organic. I literally only watered with molasses and 6.5 pH water for the first 8 to 9 weeks.
I started bloom ferts around week 2 of flower.
It is peat moss, perlite, rabbit shit
I think I'll top dress FF Ocean Forest soil next watering to give her a nute boost

“Normal mid-flowering leaf loss” is not an actual thing.