I'm currently growing 4 varieties of determinate tomatoes. Below are the stats with descriptions below the pictures. Any help will be greatly appreciated!!

• Grown from seed
• 4 weeks old
• Grown using High Pressure Aeroponics (roots sprayed with very fine nutrient mist)
• Reservoir
• ppm: 800
• pH: 6.0
• Temp: 70F
• Environment
• Day Temp: 75-78F
• Night Temp: 68-70F
• Humidity: 60%
• Lights on: 16hr/day
• Lights: 4ft, 2 bulb T5 VHO

Pic 1. Minor leaf curl with "leathery" texture

Pic 2. Significant leaf curl/twisting?

Pic 3. Leaf twisting

Pic 4. This variety looks very limp. Some branches have turned upside down.

Pic 5. Branches upside down. Limp.

Pic 6. Leaf curling up

Pic 7. White/tan spot. This might be sunburn from getting to close to the lamp?

Pic 8. Only 1 leaf on 1 plant like this. The leaf is black, dry, and almost dead

Pic 9. Closer look at black leaf

Pic 10. More leaf curl