Objective: Homemade weed killer

Which of the following solutions is more sound in terms of naive physics reasoning?

pick from the following.
A). a gallon of vinegar, a cup of salt or Borax, and a tablespoon of dish soap. To apply, use a spray bottle where you can toggle the nozzle between a spray or a stream..
B). a gallon of vinegar, a cup of salt or Borax, and a bottle of good of dish soap. To apply, use a spray bottle where you can toggle the nozzle between a spray or a stream..
A).