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RP Sour Kush, 3ft plant in 3 gallon ProMix, week 4 in bloom.
I water with pH 5.6-6.0, Botanicare CNS17 bloom for coco, AN BigBud, AN B-52, 5ml/gal CalMg.
I start with tap water, CalMg first then everything else, adjust pH and check ppm.
ppm always under 1200
The majority of this is at the top of the canopy, but it is moving down the plant. This sample was taken right off a bud site and yes, the stem is a bit purple.
RH 45% Temps 84-88