ali i use one drop per 2 gals of city water in a 5 gal container of which i mix first then i fill the 2 liter bottles --and my soup starter i dry all the veggies myself--i use frozen mixed veggies,raw carrots(sliced),celery,onions,peppers(green and red)potatoes---and i dry chicken for it too just boil the chicken till its cooked all through the remove and cool then cut in small pieces and put in drier--meat for soup--as for stockpiling well america is headed for another depression and its going to be a big one and food prices are already starting to climb -water,food,gas,ect.,ect.,are all going to be hard to get so i for one am preparing for it like my mother taught me as she was in the first one so like her i stockpile for hard times that way we will have things to eat even if its beans and rice-(which i like)and i dry beef to to put in vacuum and seal-its a mind set if something is one sale that the family likes just buy extra and put that back i hope lots of folks are doing this hard times coming and it truly scares me ----hugs to all fv and their familys