After searching hi and low for clues as to what the deficiency could be, it occurred to me that it could probably be nutrient burn.
So I drained the reservoir and refilled.
180ml of nutrients per gallon a d going to implement some cal-mag JIC. Final ppm #'s were around 800
Four cuttings taken from each. Bottom most shoots. 2 with split cambium and 2 without each. Dipped in root tech and put in RapidRooters soaked in tap water with 5ml cloning solution under 12" dome under 24hr 100w T5 light at 24" above.