Ah, the legendary “Nana advice.” Usually, when a grandparent shares a life hack, it’s either a stroke of genius involving vinegar or something that sounds like a medieval potion.

If your nana is like most, she probably put you onto one of these classic (and surprisingly effective) methods:

The “Sweet & Salty” Traps

Most 5-minute tricks involve a simple bait-and-kill station. Since ants are basically tiny, hyper-organized sugar addicts, these are the heavy hitters:

• The Borax Cocktail: Mixing Borax with sugar and water. The sugar lures them in, and the Borax—while relatively low-toxicity to us—wreaks havoc on an ant’s digestive system. They take it back to the colony, and it’s “game over” for the queen.
• The Cornmeal Trick: Some swear by cornmeal. The theory is that ants can’t digest it properly, though modern science suggests they just don’t like it much. Still, it’s a staple of grandma-lore.

The “Invisible Fence” (Repellents)

If she told you how to stop them from entering in the first place, she likely reached for the spice cabinet:

• Cinnamon or Cayenne: Ants hate the smell and the texture. Drawing a “line” of cinnamon across a doorway is like building a brick wall for their tiny noses.
• White Vinegar: This is the GOAT of cleaning. It doesn’t just kill on contact; it destroys their pheromone trails. Without those trails, the other ants get lost and can’t find the kitchen buffet.
• Cucumber Peels: Believe it or not, many ants have a natural aversion to cucumber, especially the bitter ones.

Why Nana’s Tricks Actually Work

Most of these work because they target the scent-based navigation ants use. If you disrupt the “highway” they’ve built from the nest to your toaster, the whole operation falls apart.

A quick note of caution: If she suggested the Borax method, just make sure to keep it away from pets or curious toddlers! It’s “natural,” but it’s still a chemical.

Was it one of these, or did she have some top-secret “windex and a prayer” technique I haven’t heard yet?