20% Vinegar weed killer is a safer alternative to harmful chemical weed killers. Kills weeds in your lawn and garden without dangerous, toxic chemicals. Naturally derived from corn and does not contain glyphosate. Powerful, effective solution. Completely and easily kills all types of weeds and grasses including dandelions, clover, chickweed, dollarweed, thistle, and general broadleaf. Guaranteed to work. Ecoclean Solutions 257348 Gallon 20 Percent Vinegar Weed Killer