maybe a hint of tip burn. Thank you for your insight. I am going to focus raising the PH and just see if things slow. The rust came on really fast, as in, the pictures show the third day after I noticed some speckles on a couple of leaves lower in the plant.
When I search for Cal/Mg deficiency pictures, I do not find exactly what I am seeing on my plants.
1) PICTURE OF PLANT -Attached
2) Growing indoor
3) Watering schedule - Daily about 4 Liters, plenty of runoff. PPM of runoff is on the lower side
4) Growing Medium - Coco/Perlite
5) What stage of...