First Indoor - FB Strawberry Banana (grown snug between 2 Amnesia Haze)

Aaand here we go. A good 2 weeks of added PK with no need now shows its symptoms - so, around this time I kept scratching my head and dug up and down the internet until an article - mentioning the symptoms of Iron Deficiency being caused by too much P/K in the medium - brought me on the right track eventually.