I think a little confusion there, your room temps are great but if your res temp were that high it would need lowering. I think stealthgrow thought your bottles were going in your res as this is also common practice. Apologies if im wrong. No need to be scared of hurting your girls, things to do with learning hydroponics can stuff things up from time to time when learning but if alls going well they love nothing more than a good butchering lol... fair call on being careful tho, all of the problems ive ever had have been from rushing or not paying attention. Looking great!