How Do You Fix a Leaking Aeropress? (Solved & Explained!)

If you’re Aeropress is leaking, it is most likely because the rubber seal needs to be replaced. Your Aeropress isn’t broken and this is a problem you can fix on your own. Another method for fixing a leaking Aeropress is done by using mineral oil.

A leaky Aeropress won’t do the trick when you’re craving a cup of coffee. If your Aeropress is leaking, you don’t have to throw it away. On this page, we’re going to discuss ways to fix a leaky Aeropress and how to prevent your Aeropress from leaking before it has a chance to start.

What Should You Do If Your Aeropress Is Leaking?

The main reason an Aeropress starts to leak is that the rubber seal has moved out of place. After many uses, if you have not maintained your Aeropress properly, the rubber seal will no longer stay in place.

If the rubber seal is still in good condition, you may be able to fix this problem by cleaning it and putting it back in place. However, if the wear and tear are too extreme, you will need to replace the rubber seal.

Can You Use Mineral Oil To Stop an Aeropress From Leaking?

If you notice that the water is leaking out of your Aeropress too quickly, you can fix this problem using mineral oil. First, you will need to wash the plunger head with soap and warm water then place it in a microwave-safe dish and fully cover it with mineral oil.

Allow this to soak overnight then place a small amount of water in the dish and cover it with a lid. Heat it up for 20-second intervals 5 times and then remove the plunger from the solution. Thoroughly rinse the plunger with warm water before using it.

What Causes an Aeropress Rubber Seal To Move?

Coffee has natural oils which sit on the rubber seal of the Aeropress. If the Aeropress doesn’t get cleaned after use, the coffee oils will penetrate and lift the seal.

This can be prevented by cleaning the Aeropress after use so the coffee oils don’t sit at the bottom. You can do this by rinsing the parts with soap water or white vinegar.

Will an Aeropress Leak if it’s Not Stored Properly?

The rubber seal can become damaged if the Aeropress isn’t stored properly, which can cause it to leak. One mistake many people have made is storing the Aeropress with the plunger halfway through.

It is recommended to store the parts of the Aeropress separately to keep them in good condition. However, if you’re limited for space and need to store the parts together, make sure you push the plunger all the way down do everything is in place.

Why Does My Old Aeropress Leak Coffee?

Home Coffee Roasting Basics compares the Aeropress parts to those of a car, as in after many years of use they will need to be replaced to keep the coffee maker working properly. The Aeropress has essential lost pressure, so the coffee leaks out quickly.

The plunger tip of the Aeropress is usually the main culprit for a leaky device, which can be thought of as the gasket of the coffee maker. By replacing this part (or any other defective part) you can continue making high-quality coffee with your Aeropress.

Is Replacing an Aeropress Plunger Difficult?

While the steps to replacing the Aeropress plunger are straightforward and simple, it’s a very tight fit which can make it difficult to get in place. Some people have had success making this process easier by soaking the replacement plunger in hot water to loosen it.

Another method involves placing the plunger tip on a tabletop and then holding the plunger at a 45 degree angle and work it into place. Some people have used a screwdriver to get it in place, however, this isn’t recommended because it could damage the parts to your Aeropress.

Where Can You Buy Replacement Parts For an Aeropress?

If you need to replace the seal or any other part of your Aeropress, you will need to contact the company directly. On the official Aeropress website, replacement parts aren’t listed as available to buy, but Home Coffee Roasting Basics does mention to call them directly at 1-650-493-3050.

Another option people have is to check Amazon, as there are options to buy replace parts individually or in discounted bundles.

How Will You Know When the Aeropress Seal Needs To Be Replaced?

Delishably recommends that Aeropress users replace the rubber seals every 2 to 3 years. The rubber seals were not built to last a lifetime and with wear and tear, they will need to be replaced.

If you keep your Aeropress clean, store it properly, and have replacement seals ready, you may be able to replace them before the Aeropress starts to leak.

Why Would an Aeropress With a New Rubber Seal Leak?

It is possible that there isn’t a problem with your Aeropress, but instead the coffee you are using. When using any blend of coffee in the Aeropress, it’s recommended to make sure they are ground up very fine so you get the full flavor.

This can lead people to believe they need to grind the coffee to a state where it resembles dust. If your coffee grinds are too fine, the hot water will pass through them very quickly.

What is the Best Way To Keep an Aeropress in Good Condition?

It is recommended to keep your Aeropress clean because the residue from coffee can become sticky and get caked onto the parts of the device. When this happens, the plunger can start to leak, which results in coffee that doesn’t have the signature bold Aeropress taste.

It is very easy to clean the Aeropress coffee makers because as you plunge it, it pushes the grinds down. The best way to give your Aeropress a thorough clean is by rinsing it with warm water and white vinegar. Additionally, you can also place the parts on the top shelf of your dishwasher.