My Babies seem to be dying!!!

[veg man]

hi , I'm from NYC. and have a small set up going on . I put my babies on a 12/12 cycle 10 days ago but my leaves are starting to look kinda weird .Decided to talk to you guys and ask for some feed back. I would greatly appreciate it ......lol. here are some pic"s of the leaves .
temp is ..
lights on ( 1000 hps ) 79/84
lights off..72/68
humidity 55/75
nutes..general hydroponics/and some liquid karma
feeding pattern is 2 times a day every 5 hours

[Sparrow]

What is the tds. May be nute burn

[veg man]

right now they're at 980 ppm
ph iz between 6.0 and 6.5

[Sparrow]

Do you know the numbers on the fert solution?
Are you using filtered water?
If tap water what ppm is it?

[Gen]

Is that light burn?

[LOC NAR1958]

Your in the hydro section your PH should be 5.2 to 5.8. Seems too high. That doesn't look like nute burn since my lucas is running 1600 PPM and no burn at all. My PPM's are over 2000 with additives Bring that Ph down and look in the faq's for problems that look like that. Or maybe a bigdog like Z will help ?

[Sparrow]

your ph is fine in my book. could your roots be starved of oxygen?