I wouldn't worry about the 24 hours of darkness, it may be just a hippy tail. I know many folks who do it, but it is not a big thing, some go right to 12-12 and say that it makes no difference.
Good growing.
Adieu
BlueBear Reviewed by BlueBear on . rootone? n e 1 use this stuff? i have 4 clones 5 days old and 2 just cut today. looks like first four are starting to re veg. opinions on this product? Rating: 5