Lol before my led setup that's kills my old 2 600w setup I ran 2 600hps in the same t3nt I'm in now a 1.2 with good air flow and a good extraction U are fine lol don't want foxtailing from to much light lol funny shit mine be foxtailing like crazy
the thining of ya new growth tells me straight up there starving and pulling them roots a week back as freaked it right out its trying to grow new roots to sustain foliage that it has