Yellowing in early flower

lightmonger

Active Member
Hello everyone,

Just a simple question...

I'm 3 weeks into 12/12 and about half the crops fan leaves are yellowing then drying up. It started with the oldest (lowest) leaves and is working it's way up the plant.

I'm aware yellowing is normal in flower, but should it start this early?
Do I let it go, or add a little N to the mix?

The strain is unknown (mostly indica)
Soil grow
Botanicare Pure Blend nutes
PH in is 6.3-6.4
PH runoff is around 6.7
 
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