Ive just got a couple of questions about the last few weeks of flowering. (Growing Unknown Strain of bag-seed Sativa in soil, 7th week of flowering, guessing that it will be done in 5 more weeks.) 1.) How many weeks prior to harvesting should you stop feeding and how many days before you stop watering?
Stop feeding at least 2 weeks before harvest. Most people, if they go this route, stop watering the last 3-5 days, depending on how ripe the buds are and the watering schedule. Whether or not it makes a difference, I don't know...the thought is that the buds will dry quicker and bulk up if you don't water them, but I dunnoo... Definitely stop feeding about 2 weeks before harvest though. or your smoke will be fairly harsh.
Any unsulphured molasses will do. Grandma's gold label is ok, there is another kind that's better but I can't recall the name. I know it's in some cheap country looking ass bottle, check your grocery store...or walmart. It's pretty cheap.