This weed killer is not toxic to people or pets, but it is NOT edible.

1 gallon white vinegar
2 cups Epsom salts
1/4 cup liquid dish detergent, such as blue Dawn

1. Mix all the ingredients until the Epsom salts are dissolved and pour into a sprayer.
2. Spray liberally on weeds, but just the weeds.
3. Some weeds may need a couple of treatments to make sure you kill the roots.