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What is a Vape Tank?
A vape tank, also known as a clearomiser, holds your e-liquid and the coil. The tank is connected to your vape mod or device. These tanks vary in capacity, coil compatibility, and airflow design. For example, the Smok TFV9 Tank (Sub-ohm), Innokin Jem Tank, and Smok T-Air Subtank all offer 2ml capacity; however, they differ in design and coil types. In addition, you can find coils featuring different coil resistances for MTL/RTDL (above or equal to 1 ohm) and DTL (below 1 ohm).
For more information about clearomisers, explore our comprehensive guide on vape tanks!
Types of Vape Tanks
Different types of tanks are available in the market to cater to your vaping needs, such as:
Sub-Ohm Tanks & MTL Vape Tanks
What is a Sub-Ohm Tank?
A sub-ohm tank is a vape tank designed to use low-resistance coils. These coils heat faster and produce bigger clouds of vapour. Sub-ohm tanks are ideal for direct-to-lung (DTL) vaping and feature mesh coils.
Popular sub-ohm tanks are: the Uwell Valyrian 2 Tank and Crown IV Sub-Ohm Tank by Uwell.
What is a Mouth-to-Lung (MTL) Tank?
An MTL tank is designed for mouth-to-lung vaping, where the vapour is first drawn into the mouth and then inhaled into the lungs. These tanks use coils with higher resistance (above or equal to 1.0 ohm). Vape tanks like the Aspire K3 Tank and Innokin GO Z Tank are popular MTL options. They offer longer coil life and lower power consumption, which makes them ideal for smokers switching to vaping.
What e-juices Work Best with Sub-Ohm and MTL Vape Tanks?
Sub-ohm tanks perform best with e-liquids that have a higher vegetable glycerin (VG) content, 70% VG or more. Higher VG liquids produce thicker vapour and help keep the coil saturated.
Furthermore, fruity and menthol flavours often complement sub-ohm tanks well because they provide a clear taste without too much residue buildup. On the other hand, MTL vaping tanks are great for high PG content and 1.0-ohm coil resistances.
RTA (Rebuildable Tank Atomiser) Tanks
What is an RTA (Rebuildable Tank Atomiser) Tank?
An RTA tank is a vape tank that allows users to build and install their own coils and wick cotton inside the tank. RTAs give vapers the freedom to customise their vaping experience by choosing coil type, resistance, and wick density. RTAs are popular among advanced vapers. Examples include the Voopoo PnP RTA Pod Tank.
What Should Vapers Consider Before Buying an RTA Tank?
Before choosing an RTA, consider your skill level, as coil building requires practice. You’ll need tools like wire cutters, coil jigs, and cotton wicks. Also, be ready to maintain the tank regularly to avoid leaks or burnt wicks. Look for RTAs with easy-to-build decks and good airflow options to match your vaping style.
What are the Benefits of RTA Vape Tanks?
RTA tanks offer flexibility and cost savings, since you don’t need to buy pre-made options every time the coil burns out. Users can build coils to their preferred resistance and style and adjust airflow to fine-tune flavour and vapour. However, RTAs require more knowledge and maintenance, including coil building and regular cleaning.
Main Parts of Vape Tanks
Vape tanks consist of several key parts that work together to deliver vapour. Understanding these components helps you choose, maintain, and optimise your vaping setup.
The Tank Body & Coils
The body is the main part of the vape tank that holds the vape juice. It’s made of materials like glass or plastic to withstand heat and impacts. Its size determines the e-liquid capacity, which should be 2ml according to TPD regulations.
Many tanks feature transparent sections or windows to easily monitor e-liquid levels. The tank body also includes the top cap or base threads, which connect to your vape mod or device. Some have top-fill designs, and others require removing the base.
The Coils
The vaping coil is a small heating material that absorbs the vape juice. There are several coil styles:
- Mesh coils have a flat wire mesh that heats evenly.
- The traditional wire coils consist of spiral wire wrapped around cotton.
Note: Mesh coils tend to last longer and produce consistent flavour. Some vape tanks have pre-installed coils, while others allow you to build your own if you prefer more control. Read our "Ultimate guide on Coils" to learn more about these parts.
The Top Cap and Fill Ports
The top cap is the uppermost part of the vape tank that seals the e liquid chamber and provides access for refilling. Top caps often screw or slide open, depending on the tank design. A sliding mechanism can be more user-friendly for one-handed refills, while screw caps offer a secure seal to prevent leaks. They come in different styles:
- Screw-on Top Cap: Offers a tight, leak-resistant seal; requires twisting to open or close.
- Sliding Top Cap: Slides open for quick, one-handed refills; convenient but may be less secure than screw caps.
- Hinged Top Cap: Attached with a hinge, flips open for easy refilling and closes securely.
- Pop-off Top Cap: Snaps on and off for fast access, less common but simple to use.
Fill Ports
Modern vape tanks feature a top-fill design. Fill ports are the small openings underneath the top cap, designed for easy refilling. They are wide enough to fit most vape juice bottles, reducing spills and mess. Some tanks have dual fill ports, making refilling quicker and more convenient.
Maintenance Tips for Vape Tanks
Remember, tanks are the heart of your vaping devices. Hence, take proper care of these tiny containers to keep them working well. Here are some practical tips for you:- Always prime your new coil by putting a few drops of e-juice on the cotton wick. Once done, you’re ready to fill your tank, and when done, wait for 5 to 10 minutes to let the wick soak properly.
- It’s important to change coils to prevent burnt tastes and keep vapour production strong. Signs like burnt flavour, harsh throat hits, etc., signal that it’s time to change the coil.
- Inspect for wear or damage. Replace any worn-out O-rings to ensure a secure fit.
- Screwing tank components too tightly can damage threads or seals. Assemble your tank firmly but without forcing parts together.
Buy the best vape tanks in the UK. Explore our extensive catalogue and place your order now!








