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20% Vinegar is an effective, natural, and inexpensive herbicide, ideal for controlling weeds in walkways, patios, and driveways.
Can be used on its own. A common recipe uses 4 litres of weed killer vinegar, 1 cup of salt, and 1 tablespoon of dish soap, applied on a hot, sunny day to dehydrate plants within hours.
Ingredients: acetic acid solution titrated at 20%.
Don't forget to keep this labelled container for refill later.