How to Trap Slugs with Beer: Science-Backed Eco-Garden Pest Control

Yes—you can trap slugs with beer—but not because they’re “attracted to the alcohol.” The mechanism is far more precise: slugs are drawn to volatile fermentation byproducts—primarily acetaldehyde and ethanol vapor—released by actively fermenting yeast in low-alcohol, carbohydrate-rich beer (3–5% ABV,…
