plant wilting and yellowish leaves

Alright guys, recently moved my plants into a grow tent and its my first time so not to sure and that but my plants have been looking wilted and are turning a yellowish colour. there in coco and theres 10 under a 600w light, feeding them on the coco nutrients but my friend has acidently been over feeding them for a week, instead of 5ml hes been giving them 10, do you rekon this could be the problem and how can i sort it?
cheers

forgot to say that they have 2 weeks of vegitation left

Fill out the troubleshooting form and we will be able to help you more. Also include your application pH because the form doesn't ask for it for some reason, only the source pH.

http://boards.cannabis.com/plant-pro...anted-one.html