Under LED grow lights (white not blurple) leaves on some plants look yellow-ish between the veins especially the newer growth. Under warm-spectrum room lighting they look fine colorwise.
Still I’m suspecting a possible magnesium deficiency because of some purple stems and some lower leaves have a few dried spots / tips.
Might yellowing show first under LED?
I was hoping that an extra shot of cal-mag next feed and possibly pH-ing the runoff would be enough care. I don’t want to overreact at this stage. Am I under-reacting? Time for flush?
White Widow autos
Coco and perlite
General Hydroponics Flora trio w/ Cal-Mag
About half way through week six and in flower.
Grow lights change what the plants actually look like (especially blurples). That’s why people ask to post pics in natural light. The droop late in the day is them telling you they’re done working for the day. Under LED’s, Epsom salt (unscented) is a good idea as they tend to make plants more hungry for magnesium. I use 1tbsp per gallon once a week during flower.
