Another way to get your issues diagnosed quick and efficiently is to do your best to obtain legit growing materials, Such as quality soils & nutes, that way more people who are familiar using those can chime in with better imput. Another is to provide as much info about your setup / equip, and finally but just as important. Pix Pix Pix. Growing is a fun & frustrating hobby to begin, so my only advice is that you not give up, try to get the best equipment you can such as HID lights / quality soil & nutes. Get some sort of game plan laid out and go by the book, keeping track and tabs of everything you do. It is a learning process & the more plants you can have going the faster you will get the hang of caring for them & replacing the weak/sick ones.