hey bro sounds like a good situation. I'm gonna dig a 3 by 3 by 3 foot hole in my grow site and put my potting soil into it mixed with original soil i was planning on using and im going to hit it with nutrient every 2 weeks about 2 weeks after i plant it.
How much are you planning on yeilding? and also my 1 worry about the plastic grow bag is it really restricts root growth to a certain point and make sure u poke holes in the bottom of the grow bag.. like lots of holes so you dont end up with a load of drowning roots
How big are ur grow bags and are you starting your seedlings indoors? my advice if u do is leave em outdoors once they have reached around 6 inches so they get used to climate and outdoor sun patterns but overall sounds like a good grow man!
the reason i dont use grow bags is because it restricts root growth.maybe try burlap sacs cuz roots can grow thru em! thx for the interest man and good chatting with u
let me know how it goes eh and ill add u as a friend