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A few of the leaves started to get yellow spots along the veins. I was pretty sure it was nitrogen deficiency so I upped the nutes a little. Over the next day or so, 2-3 different leaves started to curl down at the tip. Is this too much nitrogen?
Yes you are correct. The way the leaves are curling down is too much nitrogen. A ppm of around 550 is usually plenty for my autos when they are that size.
Looking good. These are signs of preflower. Within the next week she should begin developing real flowers. You also can slowly (and carefully) start giving her nutrients for blooming phase now. Happy growing!
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