First grow and plants have brown spots m drooping

I just bought 6 clones and I'm growing with ebb n flow I'm useing a 600 watt hps and I'm doing 2 part with gh micro and bloom useing the lucas formula and 271 ppm tap water my resivours ppm is at 1160 and my grow box is sitting at about 81. These clones were dirt clones that I put into hydroton I did 5 of them yeaterdAy morning at 10est and one the night before. I also added b1 to my res. Now a one of the plants has little black lines(they look kinda like spots) but they are only along the edge of the leaf and a couple look droopy. How should I go about this
 
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