those look like decent pics bro but ya gonna have to turn off that led and get me pics of each plant infected in its entirety plus a few problem areas from light to full on. and then maybe we can see it for what it is.natural light remains king for pics and guess work and diagnostics bro.well for me anywho lol nice set up!!Im guessing a cal mag or similar dual issue is afoot but until i see I cant make a guess,sorry bro.soil? temps soil PH all are good.air fow n Rh is above 20% ?