Does exactly what I need
Really pleased with the order overall. Everything arrived as expected, well packed, fast dispatch.
DoubleThe Apple Muffin Double Brew Nic Salts 10ml 20mg by Double in Apple Muffin at 20mg. Free UK delivery over £20, same-day dispatch on weekday orders before 4pm.
Double Brew Nic Salts Apple Muffin is a 10ml bottle of nicotine salt e-liquid at 20mg/ml, made for refillable pod kits and other low-power mouth-to-lung devices. It sits in the dessert corner of the flavour map: a baked apple note, a soft sponge-style sweetness and a faint cinnamon warmth, aiming to taste like a bakery treat rather than a crisp orchard fruit. If you are looking for a comforting, sweet flavour that does not lean on menthol or heavy cooling, this is the type of liquid that fills that gap.
This page covers the practical questions a UK buyer usually has before ordering. What does 20mg/ml feel like when you inhale it? Which devices suit it? How long will a 10ml bottle last? What goes wrong when people use it badly, and how does it compare with other nic salt ranges? We have written it as a plain explainer rather than a sales pitch, so you will also find the situations where this is not the right product for you.
A few basics before the detail:
Nicotine salt liquid differs from older freebase liquid in how the nicotine is chemically paired with an acid, usually benzoic acid. That pairing lowers the pH of the liquid, which makes high nicotine concentrations far smoother to inhale. It is the reason 20mg/ml salts are usable in a way 20mg/ml freebase never was, and the reason nic salts became the default choice for people moving away from cigarettes with a pod device.
Because UK law caps nicotine strength at 20mg/ml and bottle size at 10ml, every legally sold nicotine bottle follows the same limits. The same 20mg ceiling applied to disposable vapes before single-use devices were banned from sale across Great Britain in June 2025. That ban is a large part of why refillable pod kits and 10ml salts have taken over the shelf space disposables used to occupy, and why a bottle like this one is now the normal way to get a disposable-style experience with less waste.
Specification lists are only useful when you know how to read them, so here is the data for this bottle followed by what each line means for day-to-day vaping.
The total nicotine figure is worth a moment. A 10ml bottle at 20mg/ml holds 200mg of nicotine, which is why child-resistant caps are mandatory and why the bottle must be stored out of reach of children and pets. It also gives you a sense of scale: someone vaping 2ml a day is getting through around 40mg of nicotine in that time, though the amount that actually reaches the body is lower because not all of it is absorbed.
The pod fill count is the figure that matters for budgeting. Most refillable pods for compact kits hold 2ml. Because the UK also caps tank and pod capacity at 2ml, you will not find a legal retail pod that holds more, and a 10ml bottle will therefore refill it several times. In practice you will lose a small amount to priming the coil and to the odd drip, which is why the realistic number is four to five fills rather than a clean five.
Shelf life matters too. Sealed and stored somewhere cool, dark and dry, a bottle like this normally keeps its flavour for well over a year. Check the best-before date on the label, and note that sweet dessert flavours can darken slightly with age. That colour shift is normal oxidation of the nicotine and flavouring and not a sign that the liquid is unsafe, although a very dark, bitter-smelling bottle is better replaced.
With an e-liquid, performance is a joint effort between the liquid and the device. The liquid decides the nicotine delivery, the throat sensation and the vapour density; the device decides how much of that is produced per puff. At 20mg/ml in a salt formulation, Apple Muffin is built for compact hardware and short, gentle puffs.
Throat hit. Nic salts give a softer throat hit than freebase at the same strength, but 20mg/ml is still a firm sensation, noticeably stronger than the 10mg/ml tier. Most people who smoked daily describe it as closer to a cigarette than lower strengths feel. If you are used to 3mg or 6mg freebase in a large tank, the first few puffs of 20mg salt will feel sharp. Take smaller, slower draws for the first day while your throat adjusts.
Vapour production. Because the liquid is designed for MTL use, expect modest clouds. A typical pod kit running at 10W to 15W produces a thin, dense vapour that dissipates quickly. This is intended: the point is nicotine satisfaction and flavour rather than large plumes. If you want big clouds, a shortfill in a sub-ohm tank is a different product category, and 20mg/ml salt should never be used in that kind of setup.
Nicotine delivery. Salts reach the bloodstream faster than freebase at a given strength, which is one reason they work as a cigarette replacement. Many users find that a few puffs settle the urge, so you vape less often but at higher concentration. The risk is that this speed also makes it easy to take more nicotine than you intended, particularly with a sweet flavour that is pleasant to keep inhaling.
Puff count in practice. A 600-puff style pod device holds about 2ml of liquid, which gives a useful rule of thumb of 250 to 300 puffs per millilitre. Expect your own figure to be a bit lower if you take long draws or run the device warm, and higher if you take short sips. At 10ml per bottle, that sits around 2,000 to 3,000 puffs, and heavier users will want to plan for a bottle lasting between three days and just over a week.
Consistency. Good performance means the last puff from a pod tastes like the first. With dessert flavours, consistency usually depends on keeping the coil clean, because the sweeteners that make baked-goods profiles taste rich also leave residue on the coil over time. We cover that in the troubleshooting section below.
Apple Muffin belongs to the bakery family of e-liquids, a style built around cooked, caramelised and spiced notes rather than fresh fruit. The name describes the target well, though it is worth being specific about what to expect so you are not caught out.
Inhale. The first impression is a warm, cooked-apple sweetness, closer to apple filling or stewed apple than to a crisp green apple. There is a light buttery, sponge-like softness behind it, the sort of rounded sweetness you associate with baked flour and sugar rather than a sharp candy note.
Exhale. The finish is where the muffin character appears. Expect a gentle crumb and vanilla-leaning sweetness with a hint of cinnamon-style spice. The spice is a background accent, not a dominant flavour, so people who dislike strong cinnamon or chai-style profiles are usually fine with it.
Intensity and sweetness. This is a medium-sweet liquid. It is sweeter than a plain fruit or tobacco flavour but not as heavily sugared as milkshake or candy-floss profiles. There is no added cooling listed in the name, so there is no menthol bite at the end. That makes it a good fit for people who find ice or menthol blends too cold on the throat.
How the flavour behaves at different settings.
Vaping it all day. Dessert flavours divide opinion on vape fatigue. Some vapers find a muffin or pastry profile pleasant to vape continuously because it tastes like food rather than a sharp candy; others notice their palate dulls and prefer to rotate with something lighter. If you tire of a flavour quickly, consider keeping a second bottle of a fruit or menthol liquid in the same strength to alternate.
Remember that taste is personal and that descriptions are approximations. If you have never tried a bakery flavour in a nic salt before, buying a single 10ml bottle is a low-risk way to find out whether the style suits you.
An e-liquid has no moving parts, so build quality comes down to the bottle, the cap, the label and how well the product is protected in transit. Those details matter more than they appear to, because spills and leaks are the most common complaint with any liquid.
The bottle. Double Brew salts come in the standard 10ml plastic dropper-tip bottle used across the UK market. The long, thin nozzle is designed to fit the small fill ports on pod cartridges. A thin nozzle reduces spillage, but the plastic is soft, so squeeze gently. Squeezing hard is the most common cause of overfilled pods and sticky fingers.
The cap. UK regulations require nicotine e-liquids to have child-resistant and tamper-evident closures. You will have to press down and twist, and a seal ring breaks the first time you open the bottle. If the ring is already broken when your order arrives, contact the shop before using it.
Labelling and information. Bottles carry the nicotine strength, ingredient list, batch details, a health warning and the manufacturer contact information as required under the Tobacco and Related Products Regulations 2016. Nicotine products also have to be notified to the medicines regulator before they can be sold. Reading the label for the VG/PG ratio and the best-before date is a good habit before you fill your first pod.
Transit protection. Bottles should arrive upright and cushioned. Soft-plastic bottles can weep slightly at the nozzle if they are squashed in a parcel, so wipe the neck before opening it.
Storing the bottle. Keep it in the original box or a drawer, away from sunlight and heat sources such as car dashboards and radiators. Heat and light accelerate the darkening of nicotine and can weaken the flavour. Keep the bottle upright, and always out of reach of children and pets: a spilled bottle of 20mg/ml liquid is hazardous to a small child, and accidental ingestion or skin contact should be treated seriously.
Recycling and disposal. Empty bottles are usually rigid plastic and many local councils accept them in household plastic recycling once rinsed and dry, but rules vary by council, so check yours. Pods, coils and devices are classed as electrical waste if they contain batteries. Take those to a council recycling centre or a shop that runs a take-back scheme. Never put vape batteries in household bins, because lithium cells can start fires in bin lorries.
A bottle of e-liquid has no battery of its own, so the charging question is really a device question. The battery in your pod kit affects how comfortable Apple Muffin is to use, how often you need to refill and how consistent the flavour stays through the day. Here is how to match hardware to this liquid.
Battery capacity. Compact pod kits suited to 20mg salts typically carry batteries from around 400mAh to 1,000mAh. A 400mAh to 600mAh battery is enough for light and moderate use and keeps the device pocket-sized. If you vape heavily, a 800mAh to 1,000mAh pod kit or a slightly larger pen-style MTL device reduces how often you have to plug in. Capacity matters less than consistency: a battery that holds a steady output until it is nearly empty gives a more reliable taste than one that fades.
Charging. Most current pod kits charge over USB-C, with a full charge taking somewhere between 30 minutes and about 90 minutes depending on capacity and charger. Use the cable supplied or a reputable replacement, and a standard phone charger or a computer USB port rather than a cheap unbranded fast charger. Do not charge a device overnight under a pillow or on soft furnishings, and unplug it once it is full.
Battery safety.
Matching output to the liquid. Many modern pod kits regulate power automatically, running at a fixed 8W to 15W. That suits Apple Muffin well. If your device has adjustable wattage, start at the low end of its range. Sweet bakery liquids caramelise easily, and a high wattage will give a harsh, burnt taste long before it gives more flavour.
Draw-activated versus button-fired. Draw-activated kits are the simplest option and tend to suit people switching from cigarettes. Button-fired kits let you control each puff and can reduce accidental firing in a pocket. Neither makes a difference to the liquid itself, so choose on ergonomics.
Recycling the device. When a pod kit reaches the end of its life, the lithium-ion battery should be recycled through a council electrical-waste point or a retailer take-back scheme rather than the general bin. Under UK waste rules, shops that sell vape devices are expected to take back old ones, so ask when you buy a replacement.
The coil is where the liquid becomes vapour, and the wrong coil can make a good liquid taste poor. Salts at 20mg/ml are formulated for high-resistance coils that run at low power, so this section explains the options you are likely to meet.
Resistance. For this liquid, look for coils in the region of 0.8 to 1.4 ohm. Higher-resistance coils draw less current, produce a cooler, tighter vapour and release nicotine in small, manageable doses. Coils below about 0.6 ohm are designed for much higher power and larger vapour clouds, and they can deliver far more nicotine per puff than a 20mg/ml salt is meant to supply. That can feel overwhelming and even cause nicotine sickness.
Standard wire coils. Many compact pods use a wire-wrapped coil, typically kanthal or stainless steel, inside a cotton wick. They are cheap, produce reliable flavour and warm up quickly. Their weakness is that sweet liquids can leave residue on the wire, which dulls flavour as the pod ages.
Mesh coils. Mesh coils replace the wire with a flat or curved sheet of perforated metal, which gives a larger heating surface. In MTL mesh pods, the larger surface can produce more even heating and a slightly rounder flavour. The trade-off is that mesh can burn through liquid a little faster and some designs are less tolerant of thick, sweet e-liquids. A balanced or PG-leaning salt like this one works well in both mesh and wire designs.
Ceramic coils. Ceramic wicking is common in closed pod systems. It tends to resist burning and keeps flavour clean for the life of the coil, though it can be slower to heat and sometimes more prone to leaking if overfilled.
Coil lifespan. With a sweet bakery profile, expect a coil to last around one to two weeks of regular use. Look for the early warning signs: flavour fading, a slightly bitter or burnt note, gurgling, or a pod that no longer produces much vapour. Replace the coil or pod promptly, because a worn coil will make even a good liquid taste poor.
Priming. Give a new coil five to ten minutes after filling so the wick can absorb liquid fully. Taking a dry draw on a fresh coil is the quickest way to burn it out.
Choosing a nicotine strength is the most important decision you will make with this product, and it is worth doing deliberately. The UK limit of 20mg/ml is the ceiling, not the recommended starting point for everyone.
Who 20mg/ml is aimed at. A 20mg/ml salt is intended for adults who currently smoke around 10 or more cigarettes a day, or who smoke their first cigarette within an hour of waking. These smokers have a higher nicotine dependence and usually find that lower strengths do not satisfy cravings, which leads to relapse or constant chain vaping.
A rough guide for salts.
These are starting points, not rules. Some heavy smokers are comfortable at 10mg/ml because they take longer, more frequent draws, and some lighter smokers prefer the quick satisfaction of 20mg/ml with fewer puffs.
Signs that 20mg/ml is too strong. If you feel dizzy, sweaty, queasy or get a racing pulse or a headache after vaping, you may be taking in more nicotine than you need. Other signals are a throat hit that makes you cough on every puff and a tendency to vape much less than expected. Stop, drink some water, and consider a lower strength.
Signs it is too weak. If you keep reaching for the device every few minutes, still crave cigarettes, or find yourself going back to smoking, you may need more nicotine rather than more vaping. Going up a strength is generally better than vaping constantly at a lower one.
Tapering down. Many people use 20mg/ml initially and step down over weeks or months. If you want to reduce, switch to a lower strength bottle of the same range once you feel settled instead of diluting this one, because mixing salts with unspecified base liquids changes the flavour and nicotine level unpredictably.
Important safety notes. 20mg/ml is not suitable for non-smokers, for under 18s, or for anyone who is pregnant or breastfeeding without medical advice. Public health bodies in the UK describe vaping as far less harmful than smoking but not risk-free, and nicotine is addictive. Anyone with heart conditions or other medical concerns should speak to their GP or a stop smoking service before switching.
No single liquid suits everyone, so here is an honest account of who tends to enjoy this one and who is likely to be disappointed.
It is a good fit if you:
You may want something else if you:
Experienced vapers. Someone who has used nic salts for years will find nothing unusual about this bottle. It is a well-defined dessert flavour at a standard strength. It is useful as part of a rotation rather than as a one-off novelty, especially in the colder months when warm, baked profiles are more appealing.
New vapers. If you are brand new, the most important thing is the device and strength rather than the flavour. Make sure you have a pod kit with the right resistance, start with a few small puffs and give yourself a week to adjust. Many UK stop smoking services offer free or low-cost vape starter kits and support, which is worth asking about locally.
Not for under 18s. It is illegal to sell nicotine vaping products to anyone under 18 in the UK, and it is illegal for an adult to buy them on behalf of someone under 18. This shop will ask for age confirmation, and delivery couriers may check ID.
Filling a pod is simple but easy to get wrong. A careful routine avoids most leaks, flooded coils and wasted liquid.
Step by step.
Inhaling. Salts are designed for mouth-to-lung inhalation. Draw vapour into your mouth for two or three seconds, pause, then inhale into your lungs. Do not pull the vapour straight into your lungs in one rapid breath, because that can feel harsh at 20mg/ml.
Pacing yourself. A common mistake with sweet salts is to chain-vape. Because the flavour is pleasant and the hit is soft, it is easy to overdo it. Try setting a rule, such as vaping at set times or taking a fixed number of draws, particularly during your first week.
Cleaning. Wipe the pod mouthpiece and the battery contacts regularly with a dry cloth or cotton bud. Residue on the contacts causes poor connection and misfires.
Switching flavours. If you change liquid, use a fresh pod or rinse and fully dry the old pod, because leftover liquid will mix with the new one and muddle the taste. Sweet bakery flavours are especially likely to linger.
Do not mix. Do not add nicotine shots, flavour concentrates or other liquids to this bottle. It is formulated to the stated strength and the UK regulations on labelling and composition apply to the product as sold.
Most problems with salt liquids trace back to a handful of causes. Here is a quick guide to the ones people ask about most.
Burnt or harsh taste. Usually caused by a dry or worn coil. Check the pod level, refill it, and wait five to ten minutes before vaping. If the taste persists, the coil is likely spent and the pod should be replaced. Also check that your device is not running at a higher wattage than the liquid suits.
Weak or muted flavour. Sweet liquids leave residue on coils, so flavour fades as the pod ages. Replace the pod or coil. Vaper's tongue, a temporary loss of taste from vaping the same flavour constantly, can also be the cause; switch to a different flavour for a day or two and drink plenty of water.
Gurgling or spitting. Typically caused by overfilling, condensation in the airway or a flooded coil. Remove the pod, blow gently through the mouthpiece to clear the airway, wipe up any liquid and let it rest. Next time, fill only to the line.
Leaking. Check that the pod is seated correctly, that the fill port is fully closed and that there are no cracks in the plastic. Avoid carrying pods with a full tank upside down in a warm pocket, since heat expands the liquid and air inside.
Dry hits. A dry hit happens when the coil is firing without enough liquid in the wick. Causes include skipping the priming time, vaping a nearly empty pod, or taking very long draws. Stop vaping at the first sign of a hot, acrid taste, refill and give the coil time to absorb.
Device not firing. Check the battery charge, clean the contacts and make sure the pod is pushed all the way in. If the device flashes when you draw, it may be reporting a short circuit or a coil fault. Try a new pod.
Throat irritation or coughing. This often means the strength is too high for you, the wattage is too high or you are inhaling too fast. Try shorter, slower puffs and a lower power, and consider a lower strength.
Nicotine overdose symptoms. Nausea, dizziness, sweating or a pounding heart mean you have had too much. Stop vaping, sit down, get fresh air and drink water. If symptoms are severe or persist, seek medical advice.
Cost per bottle is only part of the picture. What really matters is cost per puff, cost per day and whether you enjoy the flavour enough to keep vaping it instead of going back to cigarettes.
Cost per day. A 10ml bottle gives you around four to five pod fills. If you use roughly 2ml a day, one bottle lasts about five days, so the daily cost is one fifth of the bottle price. Prices for 10ml nic salts in the UK typically sit in the low single-digit pound range per bottle, with multi-buy deals bringing the unit cost down. Check the current price on this page and any bundle offers before you order.
Compared with cigarettes. A pack-a-day smoker spends far more per week than a vaper using a couple of bottles of salt and a pod, even after allowing for the occasional replacement pod. That saving is one of the main reasons people switch, and a reliable low-cost salt can make the gap larger.
Compared with disposables. With single-use vapes now banned, the realistic comparison is with pre-filled pod systems. Refillable kits and 10ml bottles generally cost less per millilitre and produce much less waste, although you do take on the small tasks of filling and occasionally replacing coils.
Compared with other nic salt ranges. Ranges such as Elux Salts, IVG Salts, Hayati Pro Max Salts, Dinner Lady Salts and Pod Salt all occupy the same 10ml, 20mg/ml space. On paper, the specifications are almost identical because UK rules fix bottle size and maximum strength. The differences come down to flavour accuracy, sweetness, throat feel and price.
Where it falls short. If you want a menthol or ice-heavy profile, a mint or fruit-ice range will serve you better. If you want maximum nicotine at the lowest possible cost per bottle, bulk shortfill and nic-shot setups are cheaper per millilitre, though they need more equipment and are not suitable for pod kits.
The sensible way to judge value. Buy one bottle, use it for a week and see whether you reach for it comfortably. A liquid that keeps you off cigarettes is better value than a cheaper one you stop using.
| Brand | Double |
|---|---|
| Product type | E-Liquid |
| Nicotine strength | 20mg |
| Available flavours | 1 (Apple Muffin) |
| Price | £1.10 |
| Availability | In stock — same-day dispatch |
| Compliance | UK TPD-compliant, MHRA-registered |
Double supplies e-liquids to the UK market through Vape Shop Online. We stock the current Double range in full with same-day dispatch on weekday orders before 4pm.
This bottle is 20mg/ml, which is the UK maximum and is aimed at adults who smoke around 10 or more cigarettes a day. If you smoke less, or find 20mg/ml harsh, a lower-strength nic salt of 10mg/ml or below may suit you better. Never use this strength in a sub-ohm or high-power device.
As a rough estimate, expect around 200 to 300 puffs per millilitre in a typical pod kit, which works out at about 2,000 to 3,000 puffs per 10ml bottle. The real figure depends on how long your draws are and how much power your device uses. Most people get between three and ten days from a bottle.
It is made for refillable pod kits and low-power mouth-to-lung devices, ideally with coil resistance of roughly 0.8 to 1.4 ohm running at around 8W to 18W. It is not suited to sub-ohm tanks or high-wattage vaping. Check that your pod accepts refillable liquid before buying.
The liquid has no battery, but most refillable pod kits charge over USB-C and take roughly 30 to 90 minutes for a full charge. Use the supplied cable and a standard USB port or phone charger, and avoid charging unattended on soft surfaces. Stop using any device with a swollen or damaged battery.
Double Brew is sold in a number of flavours and the line-up can change, so check the brand listings on the shop for current options. If you like Apple Muffin but want a lighter taste, look at fruit flavours in the same strength. Always match the nicotine strength when swapping flavours.
We do not recommend it. The liquid is formulated and labelled at 20mg/ml and mixing it with other liquids or nicotine shots changes the strength and flavour unpredictably. If you want a lower strength, buy a lower-strength bottle. Rinse or replace the pod when changing flavour so the old liquid does not mix.
Stored upright somewhere cool, dark and dry, a bottle will normally keep its flavour for several months after opening and longer if unopened. Check the best-before date on the label. A very dark colour or a sour smell suggests the liquid has degraded and should be replaced.
The 10ml, 20mg/ml format is fixed by UK law, so price and flavour are the main differences between brands. Compare the cost per day rather than the headline bottle price, and look out for multi-buy offers. It is generally cheaper to run than cigarettes or pre-filled pod systems.
It should not be used by anyone under 18, by non-smokers, or by people who are pregnant or breastfeeding without medical advice. People with heart conditions or other health concerns should talk to their GP or a stop smoking service first. Keep it out of reach of children and pets.
Orders are delivered across the UK, and you will be asked to confirm you are 18 or over at checkout; the courier may check ID on delivery. Check the delivery and returns pages for current timings and costs. For hygiene and safety, unopened and sealed liquids are the easiest to return. If an item arrives damaged, leaking or faulty, contact the shop promptly with photos and your order number so it can be replaced or refunded.
Royal Mail Tracked 24 (Next-Day): £1.99, FREE on orders over £20.
DPD Next Working Day: £3.99 (£2.99 over £20), FREE over £100.
Same-day dispatch on orders placed before 4pm Mon-Fri. See our delivery page for full details.
Really pleased with the order overall. Everything arrived as expected, well packed, fast dispatch.
Ordered Wednesday evening, arrived Thursday morning. Everything sealed, genuine, exactly what I expected.
Taste is proper — no chemical aftertaste or anything. Just clean flavour throughout. Love it.
Been looking for something like this for ages. Finally found a brand that doesn't disappoint.
Switched from a well-known brand and this is actually better, especially for the price. Will reorder.
Delivery was super fast and the product is genuine. I've had fakes before so this was a relief.
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