what is wrong with these plants

1. 150 watt hps on a 18/6 light cycle 12 inches away from tops

2. my nuts/ferts are at 644 ppm

3. my water level is about 2 gallons with netpots 1 inch submerged

4. water ph is around 6.0

5. these are clones i got from a friend, maybe stress from the drive over???

any help would be great here are some pics to show what they look like
stickyicky07 Reviewed by stickyicky07 on . pics of the my sick plants what is wrong with these plants 1. 150 watt hps on a 18/6 light cycle 12 inches away from tops 2. my nuts/ferts are at 644 ppm 3. my water level is about 2 gallons with netpots 1 inch submerged 4. water ph is around 6.0 Rating: 5