Don't know about the brown spots Bro sorry. But I do believe that you could pull her if you feel comfortable. Some ppl believe bud that's harvested early will rusult in a more cerebral, energetic high. Whereas mature bud wolud be smoke in evenings because its less energetic/cerebral, more relaxing. So its up to you in the end, you should also fill out the troubleshooting form thing that's tells ppl what nutes ur usin, info on ur lights. What medium ur usin and all the juicy details that might have affected ur girls.