babies! difficult and stubborn. need help caressing

1st hello and so awesome to finally join you all, I have been reading for a few months and.... wow. great to know I have somewhere I can go to get professional help.
SO, IM A NEWBEEEE. I'm even new at growing, however my parents have been involved my whole life I grew up in northern cali so its always been normal in every way.
right now, I have about 100 babies going. half in cubes and another half in machine! my cubes I have covered and I mist them once a day along with misting my machines... my machines are doing AMAZING my cubes however are not so happy with me and I do not know why... at one oint they had a mildew odor starting so I took the tops off and I let them breath... they were getting too dry after a day so I misted them and covered them back up, now they are wilting :( ive watered them, made sure their heating pad was was sticking between 72 and 74 I took the light off them, well they were under 2 t5 now theyre only under 1. I trimmed their surrounding nodes. theyre still wilting still have a lil odor...
HELP ME PLEASE
 
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