With your soil pH at 7+ your leaf damage is most likely from a pH lockout. I would flush your pots with pH 6.5 adjusted water until the runoff pH is 6.5.
here is a nutrient availability chart
here is a cannabis leaf deficiency chart
here is the Cannabis Plant and Pest Problem Solver and the Plant Abuse Chart
Cannabis Plant and Pest Problem Solver - Pictorial
Plant Abuse Chart
here is a nutrient availability chart
here is a cannabis leaf deficiency chart
here is the Cannabis Plant and Pest Problem Solver and the Plant Abuse Chart
Cannabis Plant and Pest Problem Solver - Pictorial
Plant Abuse Chart