Day 142- Flowering day 42- Well she still needs something more than what I’m giving her because leaves are still turning yellow from the outside in and curling downward. I switched from Big Bud to Overdrive today; I used 5ml for 1.25L which is more than double the recommended amount(I was using that much Big Bud as well but my girl is still showing a deficiency). Buds are looking good regardless; they’re nice and frosty. Hopefully this Overdrive really sparks some late stage bulking.
I believe this is potassium deficiency.
K deficiency causes internal temps of foliage to rise and it causes the protein in the cells to burn and degrade. Usually happens on the edges of the leaves.