In my opinion, all LEDs heat up about the same, regardless of class. Pay attention to the heat dissipation from them. LEDs are very sensitive to overheating. Maybe not a pleasant moment.
If you post pictures it will be clearer. and so no idea what you've got. You can give bad advice and ruin it! Do not hesitate to post pictures and get a description.
Everything needs space. Did the lack of space greatly affect growth? I also want to grow well, unfortunately I have very little space. Well, if I ever get it, I'll be sure to post it.
Here is a homemade one! Your hands are obviously growing correctly from the right place. I've always wanted to do something like this, but unfortunately I'm too lazy to do it.