wiltering

I started with 4 plants. About 2 months went by and 2 of the 4 wilted and died.The other 2 have been hanging on but they are some what wilted and weak.The main stock looks pretty good to me. The leaves are pretty small and some of the tips are turning light brown . Any kind of advice would be...

Hey people, Just came across 420 on google and must say its probly the biggest n best source of info iv found on the net so far! I need a little help , im attempting my second grow so im still new to all this There are about a week old , they rooted the rock walls so i planted into...