Morning bro, these are outside. I'm thinking its Underwatering as well. ThanksDo you have a fan blowing across the canopy in between the lights and the plants?
I searched up those mites, but I need a scope. Symptoms look just like heat stress. Some tips of a couple of leaves turned brown. Could be nute burn, or these russet mites!Been reading about russet mites, apparently symptoms can look like heat stress. Might want to scope em out.
Cool, thanks bud.same thing happend to me underwatering
let me get a old picture up in a few