I have a question for someone more knowledgeable than me!

I recently battled thrips and won but now I am seeing the end of some leaves turn brown I'm getting a little worried...this is an auto flower and it right around 60 days

What are you feeding and what is your feeding schedule like? Looks like slight nute burn

That's what I was thinking because it happen a day or so after I gave it beastie bloomz I think I gave it to her to close together...is it determintal?

It's slight nute burn. Your fine