Thread: Weed Spray
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Old 04-12-22, 07:43 AM   #3
jeff5may
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For places you want things to grow in again, a gallon of cooking/canning vinegar plus a tablespoon of soap (dish soap, laundry soap) does the "kill once" thing okay. Using concentrated vinegar works better, but wear gloves and appropriate PPE! Concentrated vinegar can burn skin and cause blindness.

For the places where you don't want things growing again, use the same formula plus salt ( rock salt, kosher salt, table salt, Epsom salt). Don't use "lawn safe ice melter". As much salt as you can dissolve in the vinegar. If it's hot, it's possible to dissolve 2 cups or more per gallon. After the initial kill off, just sprinkle salt to keep the vegetation from coming back.

With both of these recipes, multiple light applications beat few heavy applications. Beware that salt is water soluble and will travel with the watershed when it rains.
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