Vape Nicotine Strengths Explained: How Many mg Do You Need? (SA Guide)
Picking the right nicotine strength is the single most important choice when you start vaping — get it wrong and you’ll either feel nothing or get a harsh, dizzy hit. This guide explains what the “mg” number on every vape means, how it maps to your old smoking habit, and shows real in-stock examples at each strength so you can match yourself quickly.
Nicotine products are for adult smokers and vapers aged 18+ only.
About nicotine strength (mg)
The “mg” figure is the nicotine concentration in the e-liquid, measured in milligrams per millilitre. So 20mg means 20mg of nicotine per 1ml of liquid (also written as 2%), and 50mg means 50mg per ml (5%). Higher mg = a stronger nicotine hit and more throat feel per puff.
There are two nicotine types, and they behave differently:
- Freebase nicotine — gives a sharper throat hit and is usually used at lower strengths (0–6mg) in bigger, airier DTL devices.
- Nicotine salts (nic salts) — smoother at high strengths, which is why disposables and MTL pods use 20mg, 35mg or 50mg without feeling harsh.
The other factor is your device. A big direct-to-lung (DTL) device that clouds heavily needs low mg (or you’ll get too much nicotine); a tight mouth-to-lung (MTL) pod or disposable pairs with higher mg. Match the two and vaping feels right.
Which mg do you need? Strength-by-strength, with in-stock picks
- 0mg (zero nicotine) — pure flavour, no nicotine. For people who have quit nicotine but still enjoy the ritual, or who vape purely for taste. Example: Airscream Airspops 0mg Pink Crystal Zero Nic.
- 3–6mg (low) — for light or social smokers, and for cloud-heavy DTL devices. Example: Nasty HOOQA DTL 10k 3mg Apple Tobacco, a low-nic hookah-style disposable.
- 20mg (medium) — a common step-down strength for MTL pods, comfortable for moderate smokers. Example: Bewolk x Jack Parow Tjoef Pod Kit 12K 20mg Cherry Sucker.
- 35mg (medium-high) — between 20 and 50; a good middle ground if 50mg feels too strong but 20mg isn’t quite enough. Example: Blast Juice 9000 35mg Watermelon Ice & Lemon.
- 50mg (high) — the strongest common strength, for heavier pack-a-day smokers who want a strong, smooth nic-salt hit. Examples: Vozol Rave 40K 50mg Watermelon Ice and Bewolk X Pod 12K 50mg Tobacco 2.0.
How to choose
A quick rule of thumb based on your old habit: heavy smoker (a pack a day or more) → start around 50mg nic salt in an MTL disposable or pod. Moderate smoker (around 10 a day) → 20–35mg. Light or social smoker → 3–6mg. Not chasing nicotine at all → 0mg.
If a strength feels harsh, gives you a headache or makes you lightheaded, it’s too high — drop down a level. If you find yourself puffing constantly and never feeling satisfied, it may be too low. Many vapers step down over time (50 → 35 → 20 → lower) as cravings ease. And always match device to strength: keep high mg for tight MTL devices and low mg for big DTL clouds.
FAQ
Is 50mg too strong for a beginner?
For a heavy ex-smoker in a small MTL device, 50mg nic salt is smooth and appropriate. For a light smoker or a big DTL device, it would be too much — go lower.
What’s the difference between 2% and 20mg?
Nothing — they’re the same thing written differently. 2% = 20mg/ml, 5% = 50mg/ml.
Can I mix strengths?
With refillable devices you can blend bottled e-liquids or add nic shots to hit an in-between strength like 35mg. Pre-filled disposables come at a fixed strength.
Featured products
Browse zero-nicotine disposables and all disposable vapes at ADVapes. Related reading: our e-liquid & vape juice guide and zero-nicotine vapes guide.
Where to buy in South Africa
ADVapes stocks vapes and e-liquids across every nicotine strength — from 0mg to 50mg — with fast nationwide delivery. Shop the full range at ADVapes. Adults 18+ only.