red spots

My plants are getting these spots on the older fan leaves. They start out as small red specks, then as they progress and multiply they turn necrotic. The stems on my plants are turning red as well, not just the petioles, but the center most veins of the leaves, and the steams on the nodal shoots...

What's up guys. Hey,I'm running a mingled 1200 watt,actual is 250ish watt,and mars hydro ts-2000 . I was having issues with calmag on my others and seemed to get that under control, but seems that I'm having somewhat of the same problem with this one. I'm running fox farm,but just the essential...

Hey! So my plant (aurora indica) in coco is having some trouble its wilting i saw small red / pink dots near the leaf edge also purple stems , veins also it looks like she has magdef i think shes been stunted for while now growing extremely slowing buddy of minesaid that im overwatering her but...