Purple leaves

HOUSE365

Member
Hey, I’m growing candyland, photo in a 7 gal air pot, 70% organic roots soil, 30% coco/perlite mix with GH trio neuts. The plant is about 4 weeks into flower and the leaves have become lighter and purple. I water/feed between 6.3 & 6.7 PH. I need alil help with diagnosing my problem. Temps range from 65-75, RH 50-55%.
 

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