Here is a simple way to counteract slugs and other pests. Coffee grounds are also used as a soil conditioner for acid-loving plants, such as miracle fruit. These tips are from members of the online rarefruit discussion group. Place your coffee grounds in your garden where you don't want snails and slugs. Research funded by the Australian Vegetable Industry and Horticulture Australia has shown that caffeine achieved 100% mortality of adult slugs when used as a soil drench at rates as low as 0.5%.
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