Jack Herer (GHS) 1st grow

hello, this si my first time grow, and i did a lot of mistake ... i'm using a 400w hps in a 2.5/2.5 feet tent i also use plagron grow mix can you guys tell me what you think about my plant plant 3 is sick i think i overwatered this one on week 2 of vegetative stage so i decided to cut all the leave that were really sick (i don't have a photo but they looking like this https://www.royalqueenseeds.com/img/cms/ZINC.jpg) i was thinking of zinc deficiency anyway thanks you for checking my page and any comment are welcome