Before you reach for the chemical slug pellets, think about pets and kids. Those pellets are basically slug poison, but they can also harm dogs, cats, and curious toddlers who put things in their mouth. Instead, try copper tape—it gives slugs a tiny electric shock when they slime over it. You stick it around door frames or pot rims, and they’ll turn around like, “Nope, not today, Satan.”
How to Stop Slugs from Entering Your House: Effective Home Protection
I put copper tape on my greenhouse door and it stopped the invasion cold. The slugs just slid right up, touched it, and retreated. It was like watching a tiny horror movie in reverse.