Ants coming out of dishwasher air gap [3 ways to get rid of them]

Sam McGilin

Sam McGilin

Hey there, I’m Sam McGilin, the person behind Pallentor. I have worked in the pest control industry for over 15 years. On this site, I share my knowledge so you can enjoy a pest-free home.

Important Disclosure: This post could contain affiliate links. This means that if you make a purchase through any of the links, we may receive a commission at no additional cost to you.

As a pest control specialist, I fully understand the nuisance and inconvenience of finding ants crawling out of your dishwasher air gap. It can be frustrating, I know.

But, what’s causing this unusual occurrence? You see, ants are attracted to food particles and moisture – things your dishwasher air gap can unwittingly provide.

Let’s delve into the issue and work towards finding effective solutions, so you can put this concern behind you for good.

Ants coming out of dishwasher air gap: 3 ways to get rid of them

Nobody wants to see an army of ants marching out from their dishwasher. But don’t worry – I’m here to help you tackle this issue. Let’s explore three effective methods to banish these unwanted guests.

A. Natural home remedies for ant infestation in dishwasher air gaps

The first approach utilizes items you likely have on hand in your kitchen. Vinegar, for instance, can be a lifesaver. Ants hate its smell, making it a great deterrent. A 50-50 mix of white vinegar and water sprayed around the air gap can ward off these intruders. Another effective remedy is cinnamon. Sprinkling it around the dishwasher creates a spicy barrier that ants avoid.

B. Use of chemical ant killers to eliminate ants from dishwasher air gaps

There are times when natural remedies don’t quite cut it. In such cases, my go-to solution is Ant Killer by Ortho Home Defense.

What sets this product apart is its powerful, targeted approach. It works by not only killing the ants you see but also eliminating the ones you don’t – the ones back at the colony.

Worker ants enter the bait stations and feed on the pesticide, then return to their colony and contaminate the whole nest, including the queen.

To specifically target ants coming from your dishwasher air gap, I recommend placing these bait stations near the dishwasher or any pathways you’ve noticed ants following.

I’ve personally witnessed the effectiveness of this approach; within 24 hours, the ant bait starts killing the ants, resulting in a significant reduction in ant activity.

So, if you’re struggling with persistent ants in your dishwasher air gap, use Ortho Home Defense. It’s a safe, efficient, and an affordable solution.

C. Professional pest control services: When to consider them

When the infestation gets out of hand, it’s time to call in the pros. Professional pest control services have the knowledge and tools to handle large-scale invasions effectively and safely. If you’re seeing ants not just in the dishwasher but elsewhere in your home, this may be the best course of action.

Getting rid of ants can be a chore, but once they’re gone, it’s critical to ensure they don’t return. In the next section, we’ll discuss how to prevent ants from entering your dishwasher air gap in the first place. Prevention, as they say, is the best cure.

How to prevent ants from entering your dishwasher air gap

Having dealt with the immediate issue of ants in your dishwasher, we now turn to long-term solutions. It’s not enough to just remove the ants, we need to make sure they don’t return. Let’s discuss a few preventive measures.

A. Seal gaps and cracks: The first line of defense against ant invasion

Any tiny openings can serve as a doorway for ants. Ensure all cracks and crevices around your dishwasher and kitchen are sealed with caulk. Not only does this keep ants out, it also improves the overall hygiene of your kitchen.

B. Cleanliness is key: Maintain hygiene to deter ants

Ants are always on the hunt for food and water. By maintaining a clean kitchen and dishwasher, you can greatly reduce the chances of an infestation. Regularly clean the dishwasher, especially the air gap, to remove any food particles or residues that might attract ants.

C. Strategic use of deterrents: Natural and commercial options

Deploy deterrents to keep ants away from your dishwasher. This could be as simple as using the natural remedies we mentioned earlier, such as vinegar or cinnamon. For a stronger defense, consider commercial ant repellents that create a barrier ants won’t cross.

Prevention strategies can help keep ants at bay. But what if the problem persists? In the next section, we’ll explore the possibility that your ant issue might be a symptom of a larger problem. Let’s delve deeper to ensure your peace of mind.

What if the problem persists? Understanding when it’s more than just ants

Despite our best efforts, sometimes the ants just keep coming. If that’s the case, we might be dealing with a more complex situation than initially anticipated. Let’s consider a few possibilities.

A. Dishwasher maintenance: Is there a bigger issue?

Persistent ants could be indicative of an underlying problem with your dishwasher. Excessive moisture or a leak could be attracting them. Regularly inspect and maintain your dishwasher to ensure it’s functioning properly. If there’s a persisting moisture issue, consider getting it professionally inspected and repaired.

B. Infestation might be a symptom: Identifying larger ant colonies

If ants keep returning, it’s likely there’s a larger colony nearby. They could be nesting within your home’s walls or foundation. If you suspect this, it’s crucial to involve a pest control professional who can locate and eradicate the colony.

As we come to the end of our discussion, it’s essential to remember that while frustrating, dealing with ants is a manageable task. In the next section, we’ll recap what we’ve learned and consider our next steps.


Navigating an ant problem in your dishwasher air gap can be challenging, but remember, you’re not alone in this.

From natural remedies and commercial products to professional pest control services, you have a range of options.

By keeping your kitchen clean, sealing any potential entry points, and addressing any underlying issues, you can keep these tiny invaders at bay.

Persistence and patience are key in this process. Best of luck, and remember, a pest-free kitchen is a happy kitchen!