Seedlings are doing very well and it seems like they're growing into their second set of true leaves. There may be some watering issues since the edges and tips are turning brown. The right plant is looking a little more stressed with the purple stem. Watered a few times with less than a shot glass of 6.3 pH distilled water whenever the cube seemed very dry.
Plant B has had no nutes its entire life in FFHF soil (3 weeks). Stems are a purplish color and starting to droop a little. Water is always pH'd around 6.3 but I haven't tested the runoff yet. Phosphorus deficiency? Heat Stress? Watering conflict? NL Photo just started flowering.
Dark lush green leaves is normally a sign to to much Nitrogen, this can also be influenced by extra Magnesium in the soil.
Purple is sometimes a reaction to the LED lights, it can also be a sign of early Magnesium deficiency or some other stressors. It can also be genetic as some plants are purple.
Looks at the stains page your growing if its from a common breeder on the site and see if any other plants were purple. take note it could be a phenotype as well as not all of them may purple up.
Sea_Weasel
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