What is your medium...if your in soil, the soil pH needs to be 6.5 - 6.9, if your in hydro your pH needs to be 5.5 - 5.9, those are the ideal ranges for the medium. Have you been giving them nutes? Your also using a distilled water, and i think, that water is missing some needed micro nutes like Ca, Mg, etc...
whatsthatsmell Reviewed by whatsthatsmell on . N or P problem??? So I've been doing alot of research on plant problems. My largest & oldest plant is looking sick (well, not that large & old-only 3 nodes). The bottom leaves are turning yellow and drying up (actually the 2 most bottom nodes). The top leaves are nice and green, and look healthy. The stem is also purple. I checked the pH and its between 6-6.5. I have close to 1,000 lumens 2-3" away from plant. I was over watering (with distilled water), but I stopped that. Now I only give water when the soil 1" Rating: 5