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Hello, I'm growing four supersilver x grapefruit from ultra genetics. They are fems and I've grown it once before and it was a really top grade of haze and I'm hoping to find something similar to keep. Vegging under a gavita 315w cdm and will be flowering under a 600w hps. They are at around 5week since germinating and being fed at 1.2 ec pg 5.8.