Transplanted into solo cups at the beginning of the week 1/14 with FoxFarm Happy Frog soil. No additional nutrients added and still watering with 6.3 pH distilled water, about a shot glass's worth. Towards the end of the week on 1/19, plants became very stressed as they were getting rootbound. Upon inspection, the roots were pearly white and fuzzy, but definitely starting to choke itself.
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.
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