I haven't made up a batch but it's a lot safer then some other products out there!
Plan to use it in Florida and will let you know how it works.
Weed Be Gone
1 Gallon Vinegar
2 Cups Epson Salts
1/4 Cup Original Blue Dawn Dish Soap
Mix and spray in the morning after the dew has evaporated.
This solution can be harmful to grass. I use it on my sidewalk cracks, landscape boarders, and other areas where grass, flowers won't be affected. It works really well!!!