Here is the deal.
5 weeks into flower - soil
Always PH my water 6.5
Mobile Nutrient issue as it started on the oldest leaves and is sneaking up the plant.
Use only Dry Nutrients throughout grow
Dr Earth HomeGrow
Lobster Meal 6-2-0
Fishbone meal 3-18-0
Langbeinite 0-0-22 (plenty of Mg )...