I'm trying out the autopot system for the first time. I put 3 great plants into flower about 5 weeks ago and they all grew well. Then the leaves started to go yellow/brown and crispie - turning up at end (see pic). I live in a hard water area so EC is set to 24 and PH at 5.9 - 6.1. I've been feeding with Canna coir throughout with PK 13/14 and accelerator added last week. Can someone confirm the leaves are showing symptoms of too high a nutrient value? and will my babies recover as only one third of leaves effected.