I tried this last year: it works! How to make an inexpensive non-toxic homemade weed killer to control weeds in your garden: 1 gallon of white vinegar cup salt Liquid dish soap (any brand) Empty spray bottle
kills the weeds/stray grass One gallon of APPLE CIDER VINEGAR, c table salt, 1 tsp Dawn. Mix and pour into a smaller spray bottle. (you can purchase 3 gallon size Apple Cider Vinegar in the canning section of a good hardware store - cheap!
Homemade Weed Killer 1 gallon of white vinegar, cup salt, Liquid dish soap (any brand), Empty spray bottle. Put salt in the empty spray bottle and fill it the rest of the way up with white vinegar. Add a squirt of liquid dish soap. This solution works