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| I have a handwritten note in my garden records that says Organic Round Up alternative--20% vinegar.
Although I don't recall the origin of this recipe, I do remember going to every Agway and store around me looking for 20% vinegar without success. A few questions:
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Follow-Up Postings:
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| Dian, 20% vinegar, if you could find it, is quite caustic and there is some danger to the applicator involved. As far as I know, boiling vinegar does not increase the acidity - at least the ph doesn't change when using it in pressure canned recipes and canning where acidity can be paramount :) If you use regular 5% vinegar as a weed spray it will kill minor weeds, especially if sprayed on a sunny afternoon (as opposed to a shady morning or evening). It will quickly kill top growth, and may not have a lasting effect on tap rooted weeds like dandelions. Unlike Roundup, it doesn't have a systemic action, meaning it is not taken down into the roots to kill at that level. |
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