Even at 8 weeks with a sative you should be looking much better than that. Without reading any further than the first post I was fairly sure you had a bad herat problem, and your last post def. confirmed my suspicions. Heat stress produces really airy buds and stunts plant development. You need to do whatever you can to get the heat lowered in that room. Pulling the lights back will only cause more stretching and airier buds (low light also causes loose airy bud) but if all you can do right now is pull back the lights, do it as a temporary fix untill you can really adress the heat issue, which you should do, fast. At this point I don't know how much your plants can recover, but heat is def. the issue.