My OG Kush (from cali via clone) is in week 9 and is getting purps. Never had it do this before.
Temps are not low and even my GDP isn't purple.
Oh well, looks awesome, hope I can replicate these results. Getting more purps each day.
View attachment 2935156
View attachment 2935157
what medium? When cold causes purple it is because phospho is less available.
Top colas actually turned a slight purple.
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J