Doctor Kirchner Natural Weed Killer was created to provide an alternative to harmful herbicides and toxic weed treatments. By addressing the weeds while preserving the environment around them, weeds are killed down to their roots with no glyphosate and no hormone disrupting chemicals. This no mixing spray that is ready to use focuses on caring for the health of your environment and the ones you love. Doctor Kirchner Natural Weed Killer is available in a ready to spray, non-selective ocean water based solution that is sold in 1 Quart, 1 Gallon, 2.5 Gallon and 5-gallon reusable jugs. Dr K. Weed Killer: Addressing the weeds while preserving the environment.