it will show its sex with out flowering about 4 weeks after germinating. look for the very small preflowers at the 4th or 5th node, or on some of the larger lower branches.
it is probably already living up to its genetic potential. no matter how much water i pour on someone with black hair....his hair won't turn blonde. its the same with plants, you dont get anything different than what you start with.
making 240V question.
i have a garage that has a spot i'd like to convert into a grow. in that area, the electrician put in a pair of circuits 120V that start off with GFCI outlets in the first box and they protect the next 3 boxes that have the same two circuits feeding outlets in those boxes...
organic nitrogen is pretty stable - organic fertilizers as a group, are pretty stable. nitrogen content however will decrease if the container is open and with time. nitrogen volatizes into the atmosphere pretty easily. do you know what makes up most of the air you breath?
mites for sure...most insecticides don't kill them. make sure whatever you use, that it lists spider mites on the label or its a waste of money and effort.