@Rosehips, Hi. The plant with the black leaves is a CBD kush auto Dinafem and what you see is its classic natural color. However, some green gelato auto RQS are developing flowers with dark colors tending to black. Now place the photos from the eighth week where you should better notice the detail of the plants. I'm feeding the frozen greens only with an RQS organic fertilizer, so they shouldn't have any excess fertilizer, or at least I hope !!
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