Something wrong with my 'Royal Gorilla'.

GR0WER
GR0WERstarted grow question 3y ago
It began with a few bended upwards leaves tips, I've noticed them yesterday. Now leaves becomes reddish in the middle between veins (look at the photo I pinned). Help me, please. What problem is it? I literally crying for help!
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Week 10
Leaves. Veins · Yellow between
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GMSgrows
GMSgrowsanswered grow question 3y ago
Could be a phosphorus defficiency. Before doing anything, I would check the runoff waters ph and ec levels. Make sure everything is in range for the substrate your using. Make sure it isn't a lockout issue before increasing your bloom nutes.
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