What is Sub-Ohm Vaping? (Devices, Pros & Cons)


With many innovations in the industry, vaping has never looked or felt better. New vapers may not understand, but sub-ohm may be the way to go for vaping. What is sub-ohm, and what are sub-ohm tanks?

Vaping is typically easy and enjoyable, but did you know you can make it an even more enjoyable leisure activity? If you are used to and bored with the simple mouth-to-lung vaping style, sub-ohming offers you the opportunity to step up your game and enjoy more flavors and bigger smoke clouds.

This article explains what sub-ohm is, why it is a great idea for vaping enthusiasts, and different sub-ohm vaping devices. Sub-ohming pros and cons will help you determine whether or not it is something you want to try.

Sub-Ohm Vaping: What It Means

Any experienced and long-term vape user will tell you that vaping has come a long way with various ingenious innovations in the industry. Before now, the typical vaping method did not produce enough flavors or nicotine hits to make much difference. Electronic cigarettes were practically the same thing.

However, sub-ohming has changed the vaping game. It is the process of vaping using an electronic cigarette or e-cigarette comprising a coil with less than a 1.0-ohm resistance level. The regular vaporizer has a resistance level ranging from 1.5 to 3 ohms. What does this mean?

Regular vapes have a high resistance level. That means the heating and vaporization process takes too long, which reduces the effect of the e-liquid. But with sub-ohming, the resistance is low, increasing the impact. The atomizer coil quickly heats up for high vapor production from the e-juice.

As a result, the clouds you produce are thicker, and the flavors are more potent, giving you a harder hit in just one vaping session. It produces a direct-to-lung experience, which is higher than the mouth-to-lung experience from regular cigarettes or vaping devices.


Sub-Ohm Vaping Devices and How They Work

Sub-Ohm Vaping Devices and How They Work

If you already have a vaporizer, determining whether it is fit for sub-ohming is crucial. The reason is that not all vaping devices can produce the results you find with sub-ohming. Therefore, if it is specifically designed for this purpose, getting a different device is your best bet.

There are three main types of sub-ohm vaping devices on the market. There are sub-ohm tanks, which are the commonest types, rebuildable dripping atomizers (RDAs), and rebuildable tank atomizers (RTAs).

1. Sub-Ohm Tanks

These devices are simple coil contraptions made with glass and stainless steel. The low-resistance coils in them produce the excellent effect of sub-ohm vaping, but these devices are typically disposable. In other words, they do not last long and you will have to replace them too often.

However, they are commercially manufactured and readily available. This makes them the most affordable option of all sub-ohming devices, which tend to be expensive. They are ideal for vapers who like sub-ohming but do not have the skill to build usable coils.

2. Rebuildable Dripping Atomizers (RDAs)

Also called drippers, RDAs came out first when the sub-ohming method was first introduced. A dripper is not an easy device to use for beginners, but you can quickly get the hang of it if you are ready to learn. You will need one hand to drip and the other to hold the mod, making it slightly complicated but perfect for advanced vapers.

There is a deck on the dripper where you can assemble and attach the coil. You can also insert a small cotton wad to create a wicking material. Get your e-juice and drip it directly onto the coil and wick after a few puffs. That means you will need both hands for vaping with the device.

However, it is all worth it because the results are amazing. The flavors are potent and the clouds are bigger than what is produced by other devices. Additionally, you can change the juice flavor after a few puffs since you manually drip it onto the wicking and coil.

The downside is that there is no tank for the juice. You add it as you vape, which can be tedious as it will be a continuous process until you are done vaping.

3. Rebuildable Tank Atomizers (RTAs)

This device has a tank but you must assemble your own coils within the tank before using it. In other words, you do not need to drip onto the coils or wick, but you can add juice to the tank, where it will saturate the coil.

It is crucial to have the experience and Ohm knowledge to build the right coils in this device. Otherwise, you may not get the exact result you want, which can be dangerous. However, if you get it right, you will get the exact desired coil experience and proper airflow.

Note that all sub-ohm devices are meant to be used with low nicotine strength e-liquids because of the high output from low resistance coils. If you opt for high nicotine-strength e-liquids, you may put yourself on the path of injury. This is particularly true if you typically have a low tolerance.

Benefits of Sub-Ohm Vaping

Benefits of Sub-Ohm Vaping

If you are serious about vaping and have never tried sub-ohm, are you even vaping? It allows you to experience all the goodness of different juice flavors and get massive hits with only a few puffs. What’s more, the enormous clouds will give you bragging rights.

1. Potent Flavors

What is the point of having a wide array of juice flavors if you cannot experience them? While regular devices for mouth-to-lung vaping produce good results from the flavors, they cannot be compared to direct-to-lung sub-ohm vaping that packs a deep punch.

Due to the popularity of sub-ohming, several manufacturers produce highly-potent e-juices that work well with low-resistance devices. If you are purchasing a new device, ask for the perfect vape juices with the right flavor for the device. Get more than one for a memorable experience.

2. Perfect Nicotine Experience

Vaping typically allows you to get a nicotine hit, regardless of the strength. You can choose your strength, depending on your specific needs. If you are trying to quit regular cigarette smoking and need a nicotine hit to keep you going for some time, vaping is your best bet.

However, sub-ohm makes the vaping experience even better. The nicotine production is better without the accompanying harshness. Besides, the throat hit does not feel raw because the e-liquid used in low-resistance sub-ohm devices is usually high in vegetable glycerin (VG) So, the draw is smoother.

3. Satisfying Lung Hits

Not every vaper is looking for that deep lung hit that makes you catch your breath. Some are satisfied with the regular MTL or mouth-to-lung draw that lessens the impact of the vapors.

However, if you are looking for that extra strength in your hits, sub-ohm vaping is the best choice. Since it goes directly to your lungs (DTL), the impact is better and deeper because it goes deep into your body. You will feel all the strength of the liquid of choice as you vape.

It s crucial to note that if you use a sub-ohm tank and want an MTL hit, blocking the airflow does not give you that result. You can control each draw to determine how it flows to your lungs. It is better to stick to regular vaping devices if you do not want a DTL hit.

4. Enormous Cloud Production

This benefit is for those who want to see more clouds when they vape. Regular vaping does not produce that kind of result, although you will get some clouds. However, if producing clouds is one of your sweet spots, sub-ohming is your best bet.

The only disadvantage is that you may not have the freedom to blow huge clouds when in public. That is unless you are in a vaping-friendly environment. Even then, assembling your device may not be convenient and may draw undue attention.


Downsides of Sub-Ohm Vaping

Downsides of Sub-Ohm Vaping

While sub-ohming is excellent for enthusiasts, there are a few downsides to consider. This is especially true if you have never vaped using this method.

1. Expensive

One of the major disadvantages of sub-ohm vaping is the cost. The devices are typically not cheap, even if you want to assemble them yourself. Compared to regular vape pens, the difference is clear.

There is also the cost of e-liquids; sub-ohming consumes more liquids, especially if you like experimenting with different flavors. You will use more liquid in one vaping session if sub-ohming than if using a regular device.

2. Power Loss

The coil requirement of sub-ohming means the battery life depletes fast. Constant charging will prematurely weaken the battery and require a replacement within a short period.

It may be better to use a sub-ohm device with detachable batteries, especially if you like taking big hits and producing large clouds. Otherwise, use one with a large battery capacity.

The sub-ohm coils will burn out too quickly if the device does not use batteries. The more often you use the device, the more frequently you will have to replace the coils.


Sub-ohm is the best vaping method for the best hits, high-strength flavors, and a personalized experience. If you are a vaping enthusiast, sub-ohming produces results beyond your imagination. You must select the best device – a sub-ohm tank, an RDA device, or an RTA device – depending on your specific needs.

However, you must use this method carefully because it can be potent. If you have low tolerance, stick to less powerful methods. And if you want to build your device for sub-ohming, ensure you follow safety rules for self-protection.


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