Why Is My Vape Leaking? Common Causes & Fixes

Leaking is one of the most frustrating issues for vape users—whether you're a beginner or an experienced vaper. Not only is it messy, but it can waste e-liquid and even damage your device. In this guide, we'll break down the most common causes of vape leakage and how to fix them.

Common Causes of Vape Leaking

1. Overfilling the Tank
   Adding too much e-liquid can overwhelm the coil and cause it to seep out from airflow holes.

2. Damaged or Misplaced O-Rings
   These rubber seals are essential for keeping your tank leak-proof. If worn or improperly seated, leaking is inevitable.

3. Incorrect Coil Installation
   If the coil is cross-threaded, loosely screwed in, or not compatible, it may cause gaps that let liquid escape.

4. Inhaling Too Hard (Especially on MTL Devices)
   Drawing too forcefully can create excess pressure, pulling liquid into the airflow channel.

5. Thin E-Liquid (High PG Ratio)
   High PG juices are thinner and more likely to seep through cracks or loose parts.

6. Worn-Out or Poor-Quality Cotton/Wicking
   Old or improperly wicked coils can’t hold liquid well, leading to leaking.

️ Easy Fixes for Leaking Issues

• Don’t Overfill: Fill the tank just below the chimney line.

• Check O-Rings: Replace any worn or missing seals.

• Tighten the Coil: Ensure it’s snug but not overtightened.

• Adjust Your Inhale: Especially with MTL devices, take gentler, slower draws.

• Switch to Higher VG Juices: VG is thicker and more leak-resistant.

• Rewick Your Coil: Use high-quality organic cotton and proper wicking techniques.

✅ Tips to Prevent Leaks in the Future

• Store your vape upright to avoid gravity pulling e-liquid into the airflow.

• Clean your tank regularly to prevent residue buildup.

• Use vape-friendly travel cases to protect your device from movement or pressure.

• Avoid leaving your vape in hot environments (like cars), as heat thins e-liquid.

Recommended Reading

• [Top 5 Vape Maintenance Mistakes to Avoid]

• [How To Build Your First RBA Coil]

• [How to Clean and Maintain Your Vape Tank Properly]

By identifying the source of your vape leaks and following these simple solutions, you'll enjoy a cleaner, more consistent vaping experience.

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