Are these early signs of thrips?

Hmm.. yeah I’m not sure. Looks like physical damage in the first picture. Was it topped/FIMed there? Usually with thrips you’ll see like a hazy whitish discoloration on the leaves- I’m not seeing that As for dr zymes - I’ve used it with decent results. Switched to Green Cleaner because it wasn’t doing the job for aphids for me. Anyhow, just spray minutes before lights out.. if you got a dimmer on your light, turn it down real low while you spray. A lot of times I’ll just wait til the second my lights go off and turn on the low intensity ceiling light to spray them real quick then turn it off. It only takes 5 min so it’s not messing with the cycle. Make sure you get underneath on the underside of the leaves and the tops. Pain in the butt sometimes but that’s the proper way to keep away certain pests. Good luck!