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diesel23
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Does anyone know what's going on here? there seems to be a few plants out of the batch that have these yellow,purple leaves. I'm growing in 6inch rockwool cubes. Flooding the table once a day using PBP, LK and CalMag. Ph is between 5.5-5.9. Temps range from 65-83 with RH 50. I'm 4 weeks into 12/12. Any advice would be appreciated.