Long story short guys, I left out of town for a few days and this is what I came home to. While I was away the water in the res was changed. I'm not sure exactly how the nutes were mixed cause I wasn't the one doing it. I came home and the plants dont look so well. Im not really sure what to do or how bad this is. one of the plants new sets of leaves is a complete different color than the rest of it. Also, pay no attention to the plant in the front, minutes after this pic was taken I concluded he was a for sure male. Thats 4 males and 2 females out of 6. WHat would you guys recommend I do to get things back on track here.

http://i204.photobucket.com/albums/b...7/IMG_0915.jpg

http://i204.photobucket.com/albums/b...7/IMG_0912.jpg

http://i204.photobucket.com/albums/bb319/trueword33/MOTA8-26-07/IMG_0914.jpg

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Switchin lanes with my knee cause I roll it while I drive.

Also, at this point exactly where should my PH be? What are the most critical factors here?

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Switchin lanes with my knee cause I roll it while I drive.

PPM, PH, Nutrients and Temp

What are all the above?

yes more info needed, if you don't know just drain the res and fill it with what you do know is in it..