I noticed the problem several days ago. This is a 56-day ebb and flow in smart pots from seed still in the vegetative stage. 73 F and humidity is 60%, Rain water,
ppm 902 temp 18.6 c, runoff is 708 and temp16.6 cPH 5.5 runoff is at 7, 70 % coco coir and 30% perlite, 4x4 tent, Quantum Board HLG...