Ferelite

Despite that it's looking really good :ok_hand:

My green poison that's still blooming is showing similar symptoms, it's calcium related. I think possibly similar phenotype, my other green poison had no issues with nutrients. I think you might be experiencing a nutrient lock-out not so much a deficiency. Flush with plain water for a few days and measure your TDS/EC from the run-off water and compare to plain water TDS/EC on your first feeding with plain water. In my case the local water supply has raised in TDS/EC causing the symptoms I'm seeing with my remaining plant