Is something going on with some leaf necrosis, or is that the light. Natural light pics are far superior. You'd be surprised what some of these eagle- eyed growers can spot in a pic.
Yes the first leaves are showing some type on burn or spotting. Im attributing it to cal mag. I have upped the dose of cal mag the last watering. The newer leaves are coming in nicely.
Just a question how are you measuring or determining your PPM concentration ? also apart from the first leaf the plant looks healthy, just a little bump to start.
Side tangent though most starting growers tend to try and feed right from the start and that's usually detrimental, sure a little bit of nutrients is needed but most advised guides from nutrient suppliers is kinda off in what a plant needs based on everyone own grow environments and conditions.
Yes I measure ppm. I follow the flora series drain to waste. I have all the nutes. I use 1/4 the amount stated. Measure ph and ppm when im done. I let it sit for 24 hours after mixing and recalibrate ph if needed. So far the GH line seems pretty stable.
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