Hey Mate,
I do think that your girl is suffering light stress. 1xQ6W 2nd Gen. and 2xSF2000 is way too overpowered. I'm going with one Q6W 1st Gen in a 80x150 tent.
All of the 3 lights are monsters.
Good luck and happy trails for the rest of the way 🤞
Servus,
OimRausch