As of late, an increasing number of sub-ohm tank options have been hitting the vape market. In fact, Sub Ohming is fast becoming the most popular form of vaping and it’s no wonder why. Before we get into the complexities of sub-ohming, it’s important to first educate yourself on what sub-ohming is, and how it differentiates to other vape methods.
What is ‘Ohm’?
The term sub-ohm derives from when the resistance of a coil is Just as electrical current is measured in amps or length measured in meters, the measure of resistance of a coil is in ohms, sometimes it is seen as the symbol Ω. The most common replacement heads for clearomisers range between 1.2 ohms to 2.0 ohms. There are however, tanks that stoop to 0.5, which should only be used by highly experienced vapers (more on that later)
What difference does a sub-ohm make?
When the resistance of a coil gets lower, it essentially allows more electrical current to flow through it. The higher the current, the more heat, which means the coil heats up quicker and reaches a higher temperature. The hotter the coil becomes, the more e-liquid is vapourised. When this is combined with an increased airflow, it enables the user to create massive clouds of vapour and increase flavour intake.
Mouth-to-lung inhales – What are they?
Sub-ohming isn’t for everyone, and the mouth-to-lung inhaling factor may well dampen your interest. So, let’s get one thing straight:
Simply put, mouth hits are when users inhale vapor into their mouth, then breathing it into their lungs. This is the same way smokers inhale smoke, and how all vapers inhaled when they first started using e-cigs.
In essence, lung hits are made when vapers inhale vapor straight into their lungs, without holding it in their mouths. For those who can’t grasp the concept, imagine how you inhale air through your mouth and how you suck it straight to your lungs. The same is done with lung hits, but with vapor.
This technique results in more vapor being expelled. However, if you don’t have a setup made for lung inhaling, trying it can result in extremely harsh throat hits and a lot of coughing.
Is a sub-ohm tank right for you?
In short, no.
You will find that the majority of people spend their time happily vaping between the 1.2-2 ohm regions. If you’re happy with your set up, then there’s no real reason to change it, is there? With that being said, if you are someone who likes to experiment with different settings, e-liquids, mods etc – then this might be worth giving a go. Just be sure to know what you’re handling!
Are special devices required to use sub ohm atomisers?
If you don’t want to inflict or cause injury to yourself? Yes. Mechanical mods that use replaceable lithium-ion batteries, or mods which recharge by plugging in a USB cable will require certain cells that can live with current a low-ohm coil allows to flow. Other e-cigarettes like vape pens simply won’t be able to handle the stress and power of box mods. They won’t cause any harm, they’ll just refuse to start up. These do not work with coils under 1.0 ohms. Remember to double check what coils the tank you choose comes with.
High currents are dangerous and should not be used by novice vapers as this can lead to accidents. Always use the correct battery/device with the correct cells.
As you may have heard, sub-ohming has become notorious as some devices have inadvertently blown up mid-use. This is down to incorrect usage, it is therefore important that you educate yourself on the safety guidelines of sub-ohm vaping.
If your wick isn’t wicking e-liquid fast enough this can force it to dry out due to the low ohms. It is imperative that the wick remains moist to avoid dry hits. This is even more important if you are thinking of building your own coils and wicks in something like a subtank, or another rebuildable atomiser.
It has also been reported that dry hits can be hazardous to your health due to the toxins produced by the coils at higher temperatures.
Lower ohms lead to faster currents running through the circuit. The drawback of this is that it will run-down your battery, this is particularly important for people who like to vape at a consistent daily rate.
In short? Sub ohming are atomisers that are capable of firing at under 1 ohm resistance. Be warned that sub ohming is aimed at the more experienced vape users. The benefits are as follows:
- Huge vapour production
- Intense flavour
- Warmer vapour
That’s the short of it. Vapers began building lower residence coils until they reached below 1 ohm. Hence the name, sub ohming. If you see someone vaping bigger clouds than you, (envy rolls over you like the Hulk on steroids) chances are that he or she is running a sub ohm build. Don’t go trying to win a cloud competition with anything over 1 ohm.
Rumours have recently been circulating that vapers have the tendency to blow up. Well, so do grenades if you don’t know how to use them. If you’re looking to get into sub ohm vaping, you need to educate yourself on the physics of the concept.
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