When the lights are off is it COMPLETELY dark? This is very important!
When I first started I split my room up 18/6 and 12/12, there was a LITTLE bit of light peeping into the 12/12 room and this made a huge impact on my ladies and they would not flower until they had COMPLETE darkness for 12...
I am really trying to do EVERYTHING by the book. But I must be missing something... I've read though a really good amount of forums, seen movies, watched some youtube videos, read a few hightimes articles and I think I'm doing everything right but for some reason my clones keep dying...