The purpling is usually just due to your light being too close. Mine did that last year, but they didn't stop growing? It could be the lighting, but the top picture looks like the soil is wetter than the bottom. Could be over-watered.
Here is this year's setup...
Two 4 ft T8 fixtures - $20 each
Four 6500K bulbs - $2.50 each
Two 3 ft metal shelves - $20 each
Electronic timer for lights - $20
Total - $110
I don't know where you live, but I live near Amarillo, TX and started germinating May 1st in last year's season. I had a shitty May and June under a bad 23 watt CFL with 4 plants. July they were put outside (they would have been out earlier, but I was in Europe) and were still very small. The...
The leaves of my Hot Paper Lantern are turning purple, then brown. The seed leaves were worse affected and eventually fell off. Pictures are attached. Does this look like a mineral deficiency or too much light? I am growing serranos right next to them and they were also affected, although appear...