Run down...
2 plants under 250w HPS in coco.
I'm feeding Flairform Bloom(4ml/L) and Flairform CMX (0.5mls/L) and every second watering is just plain pH'd water.
So based on my feeding I don't see how it could be nute burn as I'm on the lower end of both additives and then i'm only feeding them...
Take 2.
I've taken photos with my HPS light off because in my haste I missed that very simple rule posted at the top in my first thread. (Thank you to the moderator for deleting on my request so I could do it right)
So these spots have been around for a couple of weeks. They were only on one or...