Forgot to ask did you do have a grow diary or something on your plant i would like to see the development of your plant congrats btw even with foxtailing still looks like a good plantI am going for 65-130 Watts next time. All I did was ruin a nice plant trying to go any higher than that for such small space (heat issues.)
I would make sure they do not exceed height limit as I have the same height tent and it caused foxtailing on what would of been a nice run. Still might be, it is just the tips. 260w was too much.
I let the coco dry too much but I am pointing out heat stress in my grow. That came first.