I know this thread is od but I feel it is important to mention that police look at tightly strung braided line as a hazard at best and a booby trap at worst. Braided line to the neck is extremely dangerous.
This is the paper towel method, you just put it in the can instead of the bag? In my experience the temp. is the main factor in germ. time. And no 24 hours is not surprising or uncommon.
I think that separate veg. and flower rooms are much more efficient and if you have the space, the way to go. Fleuros. for veg, HID for flower. Pretty basic setup
I always thought that blowing smoke at animals is inappropriate, bordering on animal cruelty. Just because you like it doesn't mean everyone/everything likes it as well. Alot of animals get scared when given psychoactive substances.
Thats a good idea, you have to conceal the sound that should be your main priority. Build or buy a muffler, they make mufflers for grow rooms but you would have to consolidate your exhaust to use one.