im pretty sure youll be ok. i got the same rain yesterday and the same temps. my ladies are fine freezing temp would be your only problem no dumb questions
the nutes come with a two sided spoon, the small side is a half tsp. two of those per gallon .1 tsp. i start with a half tsp pre gallon after the third node. u got any pics available?
everyone complains about mg, im about to harvest my 5th mg grow.i use mg nutes the small side of the spoon , two dips per gallon trust me it works, its all ive used