this grow has not been good. but its ok. all part of the process. leaves are not as green as i liked. i see leaf edges burned. so most likely just too much nute in soil? i did lost one. but its ok. she didn't do well from the beginning. maybe soil was just too hot and heavy?
If ur PH is really 7 u should try to lower it to anywhere between 6 and 6,5. Do a flush with 6,5 ph water untill the run off water says the same number. Let her dry out for a few days after that and then give water with a tiny bit of nutrients. She can still bounce back 🙂