Chocolope - DNA Genetics

P600 LED running on ~30% giving ~250PPFD (measured by Photone Smartphone App) Watering every couple days with regular tap water It looks like she's starting to purple at the edges of the new leaves. First I thought these might be parasites, but under the microscope lens, it looks like normal leaves, i guess? I suppose that's because of the low day temperatures (15-16°C) and even by a couple degrees lower night temperatures