My plant yellow label

Hello dear friends!I need help emergency please

Pot size : 12lt
Ph :6.2
temperature: 83’F
25 plant
3x600 HPS light
Flower 8 week
moisture: %42

fertilizer: Advanced nutriens
Micro , bloom,Grow
Big bud, sensizm Plagron pk 11

Looks like it’s a bit of heat stress. Can you get a picture in normal light of the overall plant?

This towards the top of the plant??