First GSC auto grow

Discovered a few brown spots on older fan leaf 6 days ago. Then 3 days ago, a leaf on the same branch, showed white striping between veins on 2 of the leaves. There are definitely no bugs. Its a clean room, clean tent, microscope isn't showing anything, no webs, and just in case, I surrounded the soil, pots, floor, suspended around the plants and hung nearby, glue traps and "bug feed" to attract them. Not one critter was found. The spots couldve been from water dripping when feeding, however, the white stripes kinda hint at a deficiency. As Calcium & Magnesium tend to run together, I'm veering on the side of caution and giving extra doses of Calmag. So far, nothing has spread beyond the two leaves. They smell pretty strong and have hairy little buds everywhere! Shes growing...like a weed!.... duh..duh..duuuhh