If you smoke 20 or more cigarettes a day, switching to vaping can feel like a big step. You need something that actually works, not a watered-down experience that leaves you craving a proper cigarette within the hour. The good news? The right vape juice makes all the difference, and thousands of heavy smokers across the UK have already made the switch successfully.
In this guide, we cover everything you need to know: nicotine strengths, PG/VG ratios, flavour choices, and why the best vape juice for heavy smokers in the UK needs to tick some very specific boxes. We also look at why Cloud9 E-liquid continues to be a trusted choice for vapers who want a straightforward, satisfying experience without paying a fortune.
Why Heavy Smokers Have Different Vaping Needs
Not all vapers are the same. Someone who smoked three or four cigarettes a day has a very different set of needs compared to someone who went through a pack or more every single day. Heavy smokers need a vape juice that delivers:
A strong and satisfying throat hit that mimics the sensation of a cigarette. A high enough nicotine level to curb cravings effectively. A flavour profile that does not taste artificial or overly sweet. Consistent performance with the devices they already own or plan to buy.
Getting any one of these wrong is usually why people try vaping and give up too quickly. The experience just does not compare to what they are used to. The solution is almost always to choose a better-suited e-liquid from the start.
UK regulations also shape your options. Under the Tobacco and Related Products Regulations 2016 (TRPR), which implements the EU’s TPD legislation, vape juices sold legally in the UK are capped at 20mg/ml nicotine in 10ml bottles. This applies to all nicotine-containing e-liquids sold by legitimate UK retailers, so it is worth knowing before you shop.
What Nicotine Strength Should Heavy Smokers Choose?
This is the most common question heavy smokers ask when they start vaping, and the answer is not always complicated. The higher your daily cigarette count, the higher your starting nicotine strength should be.
Here is a simple starting framework:
Up to 10 cigarettes per day: 6mg to 12mg/ml nicotine tends to work well.
10 to 20 cigarettes per day: 12mg to 18mg/ml is usually the right range.
20 or more cigarettes per day: 18mg/ml nicotine is typically the recommended starting point for heavy smokers.
Cloud9 Menthol E-Liquid is formulated at 18mg/ml of nicotine, making it specifically appropriate for heavy smokers who need a strong, reliable hit without having to chain-vape all day just to feel satisfied. The 18mg strength is the maximum permitted under UK law for a 10ml bottled nicotine e-liquid, and it is exactly where most heavy smokers need to start.
One thing worth noting: many vapers reduce their nicotine strength gradually over time once they feel comfortable. Starting high and stepping down is a more effective approach than starting too low and going back to cigarettes because the vape is not doing the job.
Understanding PG and VG Ratios for a Strong Throat Hit
If you are new to vaping, PG (Propylene Glycol) and VG (Vegetable Glycerine) might sound technical, but they are straightforward once you understand what each one does.
Propylene Glycol (PG) is the carrier that delivers flavour and nicotine efficiently. It also produces the throat hit, that satisfying catch at the back of the throat that cigarette smokers are used to. Higher PG means a stronger, more pronounced throat hit.
Vegetable Glycerine (VG) is what creates vapour clouds. It is thicker and sweeter, and it softens the throat hit considerably. High-VG liquids are popular in the cloud-chasing community, but they tend to feel thin and unsatisfying for heavy smokers switching from cigarettes.
For heavy smokers, a higher-PG formula is almost always the better choice. It delivers the sensation they are looking for without the overwhelming sweetness that comes with high-VG blends.
Cloud9 E-liquid uses a 70% PG and 30% VG ratio in its formulas. That balance prioritises flavour delivery and throat hit over cloud production, which is exactly what someone transitioning from cigarettes actually needs. You get a satisfying vape that feels familiar, not a performance vape designed for competitions.
Why Menthol Vape Juice Works So Well for Ex-Smokers
Menthol has always been popular among cigarette smokers. That cool, crisp sensation adds an extra dimension to the hit, and many smokers find it easier to make the switch when they choose a menthol vape juice because it replicates a familiar experience.
Since the UK banned menthol cigarettes in May 2020 under the European Tobacco Products Directive, menthol-flavoured vape juice has become one of the most sought-after alternatives for former menthol cigarette smokers. The demand has been significant and consistent.
Cloud9 Menthol E-Liquid steps in here with a formula crafted to deliver a crisp, refreshing menthol flavour in every puff. It uses pharmaceutical-grade and food-grade ingredients, fully compliant with British and European safety standards. The result is a clean, cool vape that does not taste artificial or chemical, just a smooth menthol experience that heavy smokers find genuinely satisfying.
For anyone who used to smoke menthol cigarettes and is looking for the best vape juice for heavy smokers in the UK, starting with a proper menthol e-liquid at 18mg nicotine strength is one of the most sensible decisions you can make.
What Makes a Quality UK Vape Juice? Safety and Compliance Standards
In the UK, not every e-liquid on the market is equal. Legal compliance is non-negotiable, and the best vape juice manufacturers go beyond the minimum requirements to ensure their products are genuinely safe to use.
Under the TRPR, all nicotine-containing e-liquids sold in the UK must be notified to the Medicines and Healthcare products Regulatory Agency (MHRA) before sale. They must also meet strict requirements around:
Nicotine purity and concentration: The maximum permitted strength is 20mg/ml in 10ml bottles.
Packaging standards: Child-resistant caps and tamper-evident seals are mandatory.
Labelling requirements: All bottles must carry safety information, nicotine content, and relevant warnings.
Prohibited ingredients: Certain additives, including diacetyl and acetyl propionyl, are banned due to health concerns.
Cloud9 E-liquid ticks every one of these boxes. Their menthol e-liquid is diacetyl free, acetyl propionyl free, and contains no animal extracts. Each bottle features childproof caps and easy-fill tips, making refilling your device straightforward without the mess. Every pack comes with clear labelling that includes all required safety information, so you always know exactly what you are vaping.
This is not something to take lightly. When you buy from a compliant UK vape juice brand, you get transparency about ingredients and confidence that the product has gone through the proper regulatory channels.
How Cloud9 Vape Juice Delivers Value Without Cutting Corners
One of the most common barriers to switching from cigarettes to vaping is cost. Many smokers assume that vaping must be expensive to be good. The truth is that the right brand can give you a premium product at a price that makes the switch financially sensible.
Cloud9 E-liquid was previously sold in Poundland and Home Bargains, which tells you something important: this is a brand that has always focused on making quality vaping accessible. Now available directly from cloud9liquid.com, the pricing remains competitive while the quality stays high.
Each box of Cloud9 Menthol E-Liquid contains 16 x 10ml bottles at 18mg nicotine strength, priced at £20.50. For heavy smokers, that is a significant saving compared to what you would spend on cigarettes over the same period. The monthly subscription option brings the price down further to £19.00 per box, with a fresh delivery every month so you never run out.
When you work out the cost per week against a 20-a-day cigarette habit, the savings are substantial. That money stays in your pocket while you still get the nicotine hit you need.
The cloud 9 vape juice formula also works with most electronic cigarettes, vapourisers, clearomisers, atomisers, and battery types, so you are unlikely to need a new device if you already own a standard starter kit. That compatibility keeps your overall costs lower from day one.
Tips for Making the Switch from Cigarettes to Vaping
Switching from cigarettes to vaping takes a short adjustment period, and knowing what to expect helps you stick with it through the first week. Here are some honest, practical tips:
Start with the right nicotine strength. Do not underestimate your dependency. If you are a heavy smoker, go straight to 18mg and step down later if you want to.
Choose a familiar flavour. If you smoked menthol cigarettes, a menthol vape juice will feel more natural from the start. If you smoked regular cigarettes, a tobacco-flavoured or classic e-liquid is a sensible starting point.
Use your device correctly. Most starter kits are designed for mouth-to-lung (MTL) inhaling, which mimics how you smoke a cigarette. This is more suitable for high-PG liquids like cloud 9 vape juice than direct-lung inhaling.
Give it at least two weeks. The first few days can feel slightly different as your body adjusts. Most people who successfully switch say the first two weeks are the hardest, and it gets much easier after that.
Keep your vape charged and your e-liquid topped up. Running out of charge or liquid at the wrong moment is one of the most common reasons people reach for a cigarette. The Cloud9 monthly subscription takes care of the supply side automatically.
Stay hydrated. Vaping can sometimes cause mild dry mouth, particularly in the early days. Drinking more water helps.
Conclusion
Switching from cigarettes to vaping is one of the most positive decisions a heavy smoker can make. But it only works if you choose the right e-liquid from the start. You need 18mg nicotine strength, a high-PG ratio for a proper throat hit, pharmaceutical-grade ingredients, and full UK legal compliance.
Cloud9 Menthol E-Liquid delivers all of that in one bottle. It is crafted for heavy smokers who need a real, satisfying vape, not a compromise. With 16 x 10ml bottles per box, childproof packaging, easy-fill tips, and a formula free from diacetyl, acetyl propionyl, and animal extracts, it is one of the most complete options available for anyone making the switch in the UK today.
Ready to make the move? Head over to the Cloud9 Menthol E-Liquid and grab your first box today. Use the promo code SAVE10 for 10% off your first order, and consider the monthly subscription to lock in the best possible price on a supply that arrives automatically every month.
Your switch starts with the right vape juice. This is it.
This article is intended for adults aged 18 and over only. Nicotine is an addictive substance. Vaping products are not risk-free and are intended only for existing smokers and nicotine users. If you are pregnant or have a pre-existing health condition, please consult a healthcare professional before using vaping products.