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Why is My Vape Leaking?

Posted by Callum Colley on

A leaking vape is one of the most frustrating experiences you can have during your vaping journey. Unfortunately, the dreaded leaky tank happens more often than you would think. Knowing why is critical to helping you prevent it or fix it.

A leaky tank can also be an embarrassing experience with the vape juice running down your leg. You can save yourself all the embarrassment by arming yourself with a few tips on preventing a leaky tank or dealing with it as soon you notice it.

Improper filling

The most common reason for a leaky vape tank is not a hardware malfunction but rather human error when refilling. Sometimes, it’s not even a leak. It’s the spills that flow into the chimney. This can cause the tank to leak or gurgle. This is a common mistake among new vapers.

Refilling a vape tank requires patience and skill. Take care to keep the liquid out of the central pipe. If you get some of it inside the chimney, you can use a paper towel to soak up most of it out and prevent leaking. But you must keep e-liquid out of the chimney.  

Damaged O-rings

The O-ring is the rubber ring found at the bottom and top of the tank. Over time, the O-rings get worn out, can get ripped or damaged. If the O-rings have a problem, it doesn't provide a good air-tight seal, and the e-juice will leak.

O-rings are readily available. All you need to do is buy a new set of O-rings to replace the old ones, and your tank should work as good as new ones without any leaks.

The tank isn’t tightened correctly

Sometimes, the leaking is a cause of cross-threading. It happens when screwing the vape tank back on the mod. The misalignment keeps the pieces from lining up as they should. As a result, the tank will leak. All you have to do is take time to ensure the threading lines up correctly, and the leaking should be fixed.  

When tightening the vape tank, you should be careful not to overdo it. If you tighten the tank too far, you risk damaging the O-rings.

Not using the right technique

If you’re new to vaping, it’s possible not using the right tools and technique could be the cause of the liquid leaks. Making a few quick changes will get you back to vaping again and without any of the leaks.

Using the wrong coils

Replacing the vape coil is crucial, depending on the type of e-liquid you're using. There are several types of coils. But for the sake of this article, we will classify them into high VG and high PG coils. High VG coils have a lower resistance. VG liquids are thicker and can clog the small holes found in the higher resistance coils. The lower resistance coils have more space that allows the slow-moving e-liquid to flow through.

High PG coils have a higher resistance. PG liquids are thinner. Higher resistance coils have smaller holes for the fluid to pass through. Interchanging the coils can cause the liquid to fill up the heating chamber and cause leaking.

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