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Q: I want to use a homemade, non-toxic weed killer to kill off weeds in two large garden areas in my back yard. Spraying with a small spray bottle is not reasonable. Could someone give me a recipe or a conversion that would work in an Ortho bottle that I can connect to my garden hose?
KJV from Wisconsin
A:
KJV,
This recipe is very strong and will essentially kill the soil, and everything growing in it, wherever you apply it (including any beneficial microbes). It is not selective, meaning it will kill your ornamentals along with the weeds. If used heavily, you may have trouble growing new plants in areas where it's used unless you bring in some new soil. Don't use it on or near concrete or apply it on windy days. For best results, apply on a hot day and wait at least 24 hours after applying.
Recipe:
1. Mix 1 pound of salt with one gallon of white vinegar.
2. Stir until the salt dissolves.
3. Mix in one teaspoon of liquid soap.
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