What do you think?

I've come to the conclusion that this is a female. First time and just going in blind. Switched to 12/12 last week and it's looking pretty good to me. Just trimmed and tied down. What would you think the pH is? Maybe 6.5? 🤔

Seeing the differences and observing the growth is just so fascinating. I've always liked plants, but I'm really paying attention now. 🔍