GMSgrows commented4y ago
Is this a promix hp grow or is there soil in the mix? If there is no soil then a ppm in the 700's right now is high for this young of a plant., if your using the hanna scale it should be at 500 ppm right now, if there is no dirt in the grow. Just promix hp make it soiless, so we go by hydroponic setting. It says 100% vermiculite in your dairy. Luck on your grow my friend...P.S. if there is no dirt involved your ph in veg should also be between 5.5 to 6.0 with 5.8 being the sweet spot..
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