If you are trying to avoid those harmful weed kill products, here is a simple, less expensive and safer alternative.
Natural Weed Kill
1 Gallon white vinegar (5 percent will kill just takes a couple days longer than 10 or 20% strength
1 Cup table salt
1 Tablespoon dishwashing soap
10 Drops Lemon essential oil
Stir the solution until all the salt dissolves completely.
The dishwashing soap will act as a surfactant and make the solution adhere to the weeds more efficiently.
Put solution into a spray bottle. Soak the weeds with this solution and the weeds should die within several days.
Any leftover weed killer into an empty plastic container.