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What are vaping coils?

Vape coils are a heating element and are an essential part of every electronic cigarette. They consist of a metal, sometimes in a coil shape, but nowadays often in a mesh (a sheet of metal with punched holes.) They are seated in the tank, pod or cartridge, and heat up the e-liquid. The e-liquid then turns into vapour, which is inhaled by the user.

High Resistance v. Low Resistance Coils

When it comes to choosing coils for vaping, one of the most important things to understand is the resistance.

Coils with high resistance are used at lower power levels, and are suitable for use with starter kits and low powered devices. These coils are not suitable for use with a high VG:PG ratio (e.g. a ratio of 70:30 or 80:20). Instead, you are best using them with e-liquids with a VG:PG ratio of around 50:50 or 40:60 such as Halo Vapour Co. or Wizmix. High resistance coils are great for mouth-to-lung vaping, where the vapour is held in the mouth briefly before being inhaled.

Coils with low resistances are used at high power levels. When you vape with a coil resistance of below one ohm, you are “sub-ohming”. Low resistance coils, especially those well below one ohm, are ideal for use with high VG e-liquids (with a VG:PG ratio of 70:30 or 80:20) and are ideal for direct-to-lung vaping or cloud chasing.

Many tanks come with different coil resistances, allowing you to choose the coil which best suits your style of vaping.

Ensuring Coil Longevity

Both the quality and the design of coils have improved massively over the years, but there are still a number of steps you should take to ensure your coil does not burn out and lasts as long as possible.

The first thing is to prime your coil. If you have a basic tank, pod system or all-in-one device, this simply means filling your tank before you vape it for the first time and then allowing it to sit for a few minutes before using it for the first time.

If you have a low resistance coil, it is worth going a bit further. We advise dripping a little e-liquid into coil ports before inserting the coil into the tank before leaving it to sit. You can also take a puff or two without firing up your device in order to draw e-liquid into the coil - but don’t overdo it, or you can flood the coil.

A key area of innovation in vape coil development has been increasing the surface area of the coil to the e-liquid. This has helped improve the amount and quality of vapour produced, the taste of the vapour, enabled even heating and reduced the chances of coils burning out.

Leading brands such as Innokin, Aspire and Smok are continuously innovating in this area, but one key development has been mesh coils, which are coils with hundreds of tiny holes in them.


It’s not just resistance that determines what e-liquid a coil can be used for. E-Liquid with a high VG ratio requires larger ports in the coil, as high VG e-liquid is thicker than high PG e-liquid. You don’t need to worry too much about this, though, as low resistance coils usually have larger ports, and high resistance coils, conversely, have smaller ports.

A quick guide to vape coil material

Some of the more common materials used in coils are:

Kanthal: Used in wattage mode, and can handle high temperatures.
Ni200: Used for temperature control mode.
Titanium: Used in temperature control mode, has a higher resistance than Ni200, and offers a crips, clean flavour.
Stainless steel: Can be used in both wattage and temperature control mode. Heats up quickly, delivering a more instant hit. Some vapers believe it delivers superior flavour.

For more information see our complete guide to vape coils.


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You Must Be Over 18 to Buy From E-cigarette Direct

Why do I have to prove my age?

To our website you look under 18.

So, as a responsible retailer, we need to check your age.

You'll only need to do this once and it takes less than a minute.

Our age verification system is quick and easy to complete. Simply enter your date of birth, and our system will use the information from your order to do the rest.

On rare occasions, you might find that you don’t succeed on first try. Don’t worry - our super-friendly customer service team is on hand to ensure that, as long as you are 18 or over, you can still get your vaping supplies!

Once you have confirmed your age we won’t usually need to check again. (Exceptions can occur, for example if you change your name).

(You can help us check your age by ensuring your name and address are spelt absolutely correctly in the order form :) )

How your data is used

We use as little data as possible. The only data that ECigaretteDirect keep is information needed to send your order, and your date of birth (so we only have to check once!)

Your age is checked using Experian, which will check the information you provide against information in existing records to confirm you are over 18. No credit check is performed but a record of the search will be visible to you on your credit report. This will not affect your ability to get credit.

Why do we check age?

As you may know, there has been some concern that under-18’s may try vaping.

This is against both our company policy and the law.

And as responsible retailers, we need to do everything we can to ensure that every customer is of legal age.

For more information, see our Terms and Conditions.