sick nutrient burn help

Newbie grower here. Using fox farms newts and following their soil feeding schedule to a T. Y’all think this is nutrient burn? I read online maybe bugs or mites. I’m growing outside so could be. Thx (Pics taken 4 days ago)

Hello. I am a beginner grower and need help. The 2nd picture shows the guy that got nutrient burn (I think). Even though I saw it wanted some nutrients, I added a regular dose and it got burnt BADLY (before it was a normal after this dose). I washed the soil but it was too late. Can this one...