Fast Buds | Sour Jealousy & Apple strudel Auto by KnwzZ

got a unknown plant growing in a pot. Everything looks good atm First picture are at day 14 ( looks ok atm) Second pictures day 18 problems start here . https://growdiaries.com/grow-questions/69582-my-plants-have-down-curved-leaves-start-12hrs-after-my-last-watering-23-days-agothe-first-leaves-on- I didn't have anything to measure the ph during the first 4 weeks of cultivation, which explains a lot of my worries in my opinion, I only watered around the trunk which didn't help either I think (never all the soil) I ordered a ph meter and ph + & -