Purple Mix / 18mg Slush Brew by Ohm Brew 10ml

Overview

The Purple Mix / 18mg Slush Brew by Ohm Brew 10ml by Slush in Purple Mix / 18mg at 20mg. Free UK delivery over £20, same-day dispatch on weekday orders before 4pm.

Overview: Slush Brew Purple Mix 10ml at 18mg

Slush Brew Purple Mix is a 10ml bottle of nicotine e-liquid from the Ohm Brew family, sold here at 18mg/ml. The Slush Brew range is built around frozen-drink flavours: fruit blended with a cold, crushed-ice finish. Purple Mix is the purple-fruit variant. This guide explains what that means in practice, which kit suits it, how strong 18mg really is, and how it compares with similar liquids sold in the UK.

A quick note on how we describe it. The product name and category tell us the essentials: a 10ml bottle, 18mg/ml nicotine, and a liquid for refillable devices rather than a ready-made vape. They do not tell us everything, such as the exact VG/PG ratio or whether the nicotine is freebase or nicotine salt. Where the maker's label gives those details, the label is the final word, and we point out the things worth checking on the bottle before you buy or use it.

• Product: Slush Brew by Ohm Brew, Purple Mix
• Format: 10ml e-liquid bottle, the largest size allowed for nicotine e-liquid in the UK
• Nicotine: 18mg/ml (1.8%), which means about 180mg of nicotine in the full bottle
• Flavour family: fruit with a cooling, slush-style finish
• Suited to: refillable tank and pod kits, usually mouth-to-lung (MTL) setups
• Age: 18 and over only. Nicotine is addictive.

This is a refill liquid, not a disposable. That distinction matters in the UK: single-use disposable vapes have been banned from sale in Great Britain since 1 June 2025, so refillable kit paired with bottled liquid is now the standard route for anyone who wants a flavour like this. The rest of this guide assumes you already own, or are about to buy, a refillable device.

If you are new to bottled liquids, the short version is simple. You pour the liquid into a tank or pod, wait a few minutes for the coil to soak, and vape at modest power. The sections below cover each step in more detail, from specifications and flavour to troubleshooting and value for money, so you can decide whether Purple Mix suits your habits before you order.

Specifications, strength and UK rules

Here are the numbers that matter, starting with what we can state with confidence from the product name and from UK law.

• Bottle size: 10ml. UK rules limit nicotine-containing e-liquid bottles to 10ml, so this is the largest size a regulated nicotine liquid can be sold in.
• Nicotine strength: 18mg/ml, or 1.8% by volume. The UK maximum for any nicotine vaping liquid is 20mg/ml, which makes 18mg 90 per cent of the legal ceiling.
• Total nicotine in the bottle: 10ml multiplied by 18mg/ml gives 180mg.
• Tank limit on your device: refillable tanks sold in the UK hold 2ml or less, so one full tank at this strength carries roughly 36mg of nicotine.
• Flavour: Purple Mix, part of the Slush Brew range from Ohm Brew.
• Not stated by the name: the VG/PG ratio, the nicotine type (freebase or salt) and the exact flavour notes. Read the printed label.

The 20mg/ml cap is the figure most people associate with disposable vapes, and it applies to every nicotine vape product legally sold in the UK, whether that is a liquid like this one, a pod or a complete device. Disposables have left the legal market in Great Britain, which is one reason refillable kit and bottled liquid now carry so much of the category.

Every legally sold bottle should have a child-resistant, tamper-evident closure, a nicotine warning on the label, an ingredients list, a batch reference and the details of the manufacturer or importer. The manufacturer must also notify the product to the MHRA before it can be sold. If a bottle arrives with a broken seal, a missing label or an odd smell, do not use it, and contact the retailer.

The 10ml limit does not mean you are restricted to small quantities. Many UK vapers buy several bottles at a time, or use shortfill bottles (nicotine-free liquid sold in larger sizes) together with separate nicotine shots. Those routes involve mixing and are covered in the value section. A ready-strength 10ml bottle like this one remains the simpler choice: no measuring, no mixing, and a clearly labelled strength.

Age rules are strict. You must be 18 or over to buy nicotine vapes in the UK, and you should expect age checks at checkout and again at delivery. Retailers cannot waive them, and neither can the courier.

Flavour profile: what Purple Mix is aiming for

The Slush Brew name tells you the structure: a fruit base with a cold, shaved-ice finish, in the style of the frozen drinks sold at fairgrounds and cinemas. In vape flavour naming, purple almost always points to dark fruit such as grape, blackcurrant or blueberry, and Mix suggests a blend rather than a single fruit. We have not been given official tasting notes from the maker, so we describe the profile as it fits the name and the category, not as a laboratory-verified recipe. If the bottle or the maker's own description lists specific fruits, trust that over our summary.

Most slush-style liquids follow a three-stage pattern, and it is reasonable to expect Purple Mix to do the same:

• On the inhale: sweet, cooled fruit. The cold sensation arrives early and is usually felt at the front of the mouth and back of the throat.
• Mid-puff: a rounded dark-berry sweetness, often with a slight tart edge that stops the flavour tasting flat.
• On the exhale: a lingering chill through the nose and a sweet residue on the lips.

The cooling effect in drinks-style liquids normally comes from cooling agents rather than menthol. These produce a cold sensation without the minty taste, which is why a slush flavour can feel icy yet still taste like fruit. The intensity differs between makers. If you like a strong frozen hit, check reviews from other buyers, because cooling is the part of a flavour that people disagree about most.

Power changes the flavour more than most people expect. At lower wattage (around 8 to 10W on a typical MTL coil) the sweetness softens and the fruit leads. At higher power the cooling and sweetness both get louder, and the liquid can taste sharper and slightly artificial. If Purple Mix tastes too sweet or too sharp on your first tank, turn the power down by a watt or two before deciding you dislike it.

Set realistic expectations. Slush flavours are sweet by design. They are a candy-and-ice interpretation of fruit, not a juicy, realistic fruit flavour. People who prefer dry, tart or tobacco-leaning profiles are unlikely to enjoy this, while people who miss sweet drinks, or who find tobacco flavours unappealing after quitting smoking, often take to it quickly. Sweeteners in the liquid also tend to build up on the coil, which is covered in the coil section.

Throat hit, vapour and puff delivery

A bottle of liquid does not have a puff count printed on it the way a disposable does, so here is a reasoned estimate instead. A typical mouth-to-lung puff of around three seconds on a low-power kit uses roughly 0.003 to 0.006ml of liquid. On that basis a 10ml bottle gives somewhere between 1,700 and 3,300 puffs. The real figure depends on puff length, power setting, coil size and how much liquid is lost to leaks or coil changes, so treat it as a planning number, not a promise.

In daily terms, a regular vaper on a 18mg liquid often uses around 2 to 3ml per day, because higher-strength liquid tends to satisfy cravings with fewer puffs. At that rate a 10ml bottle lasts about three to five days. Someone who vapes mainly in the evenings or only in breaks from work may get a week or more from one bottle.

• Throat hit: at 18mg, if the nicotine is freebase, the throat hit is firm. It is noticeably stronger than 12mg and similar to the feel of a cigarette for many switching smokers.
• Vapour: this depends on the VG/PG ratio on the label. A balanced 50/50 mix gives moderate clouds and a crisper flavour. A VG-heavy mix gives thicker vapour but can wick more slowly in small MTL coils.
• Consistency: the first few puffs after a refill can be weaker while the coil finishes soaking. Flavour tends to fade a little as the tank empties, so refill at about a third of the tank instead of waiting for it to run dry.

One honest warning about cold flavours: cooling agents soften the way harshness feels. A slush liquid at 18mg can feel smoother than a plain fruit liquid at the same strength, and that can lead people to take more puffs than they intended. The nicotine delivery is the same either way. If you notice yourself chain-vaping, getting a light head or feeling slightly sick, the strength is too high for how you are using it, whatever the throat feels like.

You can tune performance with three controls: wattage, airflow and puff length. Lower power and tighter airflow give a warmer vape and a firmer throat hit. More airflow cools the vapour and dilutes the throat hit, which many people prefer with a cooling flavour. Slower, steadier draws produce better flavour than short, sharp pulls.

Bottle design and build quality

Nicotine e-liquid bottles in the UK follow a common pattern, and this 10ml bottle should fit it: soft plastic that can be squeezed gently, a narrow nozzle for filling, and a child-resistant cap with a tamper-evident ring. Because we have not handled this specific batch, treat the points below as a checklist of what to look for when it arrives.

• Nozzle: a thin tip should fit the fill port of most tanks and pods. If the port is very small, squeeze slowly and let air back into the bottle rather than forcing the liquid out.
• Cap: child-resistant caps are meant to be stiff. Press or squeeze as the cap instructs, then turn. If the cap spins freely without opening, you are using the wrong action rather than facing a fault.
• Tamper ring: it should be intact when the bottle arrives. A missing or broken ring is a reason to return the bottle unopened.
• Label: look for the nicotine warning, the ingredients list, the batch number, the best-before date and the manufacturer details. Photograph the label when the bottle arrives in case you ever need to report a problem.
• Colour of the liquid: a purple-blue or lightly tinted liquid is normal for this kind of flavour. Very dark, brown liquid usually means the nicotine has oxidised from age, heat or sunlight, and the flavour will suffer.

Store the bottle upright, with the cap tightened, in a cool, dark place. Heat and sunlight break down flavour and nicotine faster than anything else. An unopened bottle stored well will normally keep for 12 to 24 months, though the best-before date on the label is the guide to follow. An opened bottle is best used within a few months.

Keep bottles out of reach of children and pets. A 10ml bottle at 18mg holds 180mg of nicotine, and swallowing or spilling a meaningful amount onto skin can cause poisoning. If liquid touches your skin, wash it off with soap and water. If a child or animal swallows any, seek medical help immediately and take the bottle with you.

Empty bottles should not go down the sink. Let any residue dry, check the packaging advice and your local council's guidance on plastic recycling, and be aware that some councils will not take e-liquid bottles in kerbside collections. If yours does not, the bottle belongs in general waste.

Battery, charging and the device you pair it with

E-liquid has no battery. The battery that matters belongs to the device you put the liquid in, and its capacity decides how often you charge and how long a session lasts. For a 10ml 18mg liquid, the most common pairings are small MTL pod kits and compact tank kits.

• Pod kits: usually 400 to 800 mAh, charged by USB-C. Light and pocketable, with tanks or cartridges holding about 2ml.
• Slim tank kits: usually 1,000 to 1,500 mAh, with adjustable power around 10 to 25W. They give more control and more battery life.
• Larger mod kits: 18650 or 21700 cells, often 2,000 to 4,000 mAh. These are more than most MTL users need and are built for higher-power vaping.

A rough runtime estimate helps with planning. A 1,000 mAh battery holds about 3.7Wh of energy. At 10 to 12W, and allowing for losses, that works out to around 300 to 450 three-second puffs per charge. A full 2ml tank at MTL consumption is roughly 400 to 700 puffs, so one charge and one tank often run out at around the same time. A 10ml bottle fills a 2ml tank five times, which at that rate means roughly five to eight charges per bottle.

Charging safely matters more than charging fast:

• Use the cable supplied with the device, or a reputable USB-C cable, and a standard phone-style charger instead of a very high-output fast charger.
• Do not leave a vape charging overnight or while you are out of the house, and never charge it on a bed, sofa or other soft surface.
• Stop using a device that gets unusually hot, swells, hisses or smells of burning, and keep it away from anything flammable.
• Do not carry loose spare cells in a pocket with keys or coins. Use a plastic case.

When a device or its battery reaches the end of its life, it should not go into household bins or kerbside recycling. Lithium batteries cause fires in refuse lorries and recycling plants. Take used vapes and cells to a household waste recycling centre with a small electricals bank, or to a vape shop that runs a take-back scheme. Most UK retailers that sell vape hardware are expected to accept old devices, and the Recycle Your Electricals postcode finder lists local drop-off points.

Coil, mesh and tank pairing

The coil is what turns liquid into vapour, and the match between coil and liquid decides most of what you taste. An 18mg liquid is generally intended for mouth-to-lung vaping with a higher-resistance coil, usually between 0.8 and 1.2 ohms. That keeps the draw tight and the vapour output modest, which is what a higher nicotine strength needs.

• Standard round-wire coils (about 1.0 to 1.2 ohm): a straightforward match for 10 to 15W. They give a warm vape and a clear throat hit.
• Mesh coils (about 0.8 to 1.0 ohm): a flat mesh surface heats more evenly and often brings out more flavour. Mesh coils can use more liquid and are more sensitive to being run dry, so prime them thoroughly.
• Ceramic and pod coils: found in many closed and refillable pod kits. They are convenient and low maintenance, though they can be fussy with thicker liquids.

Check the label for the VG/PG ratio. A 50/50 mix is thin enough to wick well in almost every MTL coil. If the label shows a higher VG content, such as 70/30, make sure the coil has wide enough wicking holes, or you may see dry hits and a burnt taste even with a full tank.

Avoid sub-ohm coils (below 1.0 ohm, usually run at 40W and above) with an 18mg liquid. The coil will vaporise far more liquid per puff, and the nicotine intake from each puff becomes very high. Sub-ohm tanks are designed for liquids in the 0 to 6mg range for exactly this reason. It is also the quickest way to make an 18mg liquid unpleasantly harsh.

Sweet, fruity liquids shorten coil life. Sweeteners and flavour compounds caramelise on the heating element and leave a dark film, which dulls flavour over time. Expect a coil to last somewhere between one and three weeks, depending on how much you vape. Signs that it is ready for replacement include muted flavour, a faint burnt note, gurgling, or a dry hit that persists after priming.

When you replace a coil, put a few drops of liquid directly onto the cotton through the wicking holes, fill the tank, then let it sit for five to ten minutes before the first puff. This single step prevents most early-life coil failures.

Nicotine strength guidance for 18mg

Nicotine strength is the decision that most affects whether a liquid works for you. At 18mg/ml, this bottle is near the top of the UK range. For many people it is the right choice at the start of a switch from smoking, but it is too strong for others, so the guidance below is about matching strength to habit.

• Heavy smokers (around 20 or more cigarettes a day): 18mg freebase is a common starting point, used with an MTL device.
• Moderate smokers (10 to 20 a day): many people start at 12mg and move up to 18mg only if they find they keep reaching for the device.
• Lighter smokers (under 10 a day): 6mg or 12mg usually does the job. 18mg is likely to be too much.
• Non-smokers and people who have never used nicotine: not recommended at any strength. A vape is meant as an alternative for smokers, not as a starting point for nicotine use.

Check whether the label says freebase or nicotine salt. This matters a great deal. Freebase nicotine gives a sharper throat hit and builds up more slowly in the body, and 18mg is a conventional freebase strength. Nicotine salt feels smoother and delivers nicotine faster, and salt liquids are generally sold at 10mg and 20mg rather than 18mg. If this bottle turns out to be a nicotine salt, 18mg will feel stronger than the number suggests, and you should use a low-power pod device and take it gently.

Signs that the strength is too high include dizziness, nausea, headaches, a racing heart, hiccups or a sore throat. If you notice them, stop, put the device down and drink some water. Move to a lower strength, or lower the power, or take shorter puffs. Signs that it is too low include frequent chain-vaping and persistent cravings between sessions. Step up in small stages (for example from 12mg to 18mg) instead of jumping several levels.

Over time, many people lower their strength as cravings ease. A sensible plan is to hold at a comfortable strength for several weeks, then drop by one step, and to stay on the lower strength if it keeps cravings away. If you want help stopping smoking, your GP, pharmacy or local stop-smoking service can offer support alongside vaping, and some areas have run schemes that give starter kits to smokers. The NHS position is that vaping is far less harmful than smoking but not risk-free.

Who Slush Brew Purple Mix is for

Slush Brew Purple Mix is aimed at adult smokers who want a sweet, cold fruit flavour at a strength that can replace cigarettes, and who already use or are willing to buy a refillable MTL device. It is a niche choice within the wider fruit-and-ice category, and it suits some habits better than others.

It is likely to suit you if:

• You currently smoke around 15 to 20 or more cigarettes a day and want a liquid strong enough to keep up with that habit.
• You prefer fruit and ice flavours over tobacco, menthol or dessert profiles.
• You use a pod kit or small tank with an MTL coil and a battery of roughly 500 to 1,500 mAh.
• You want a ready-to-use bottle with no mixing or measuring.
• You like to switch between flavours across the week and want a 10ml size that is cheap to try.

You should probably look elsewhere if:

• You are under 18. It is illegal to sell nicotine vapes to you, and you should not use them.
• You have never smoked or used nicotine. A strong, flavoured liquid is a bad introduction to nicotine.
• You are pregnant or breastfeeding, or you have a heart condition. Speak to your doctor or midwife before using any nicotine product.
• You use a sub-ohm tank or a high-power mod. You will want a low-strength, high-VG liquid instead, such as a shortfill.
• You dislike very sweet or very cold flavours. Slush liquids are sweet by design, and the cooling effect cannot be turned off.
• You are sensitive to cooling agents. Some people find strong coolants irritate the throat or cause coughing.

If you are not sure, one 10ml bottle is the sensible way to find out. It is a low-cost experiment, and at around 1,700 to 3,300 puffs, it gives you enough time to judge the flavour at a few different power settings. If it does not suit you, switch to a lower strength or a different flavour family rather than persisting with a liquid that makes you feel unwell.

How to use it: filling, priming and first puffs

Using bottled e-liquid is easy once you have done it a couple of times. Follow these steps for a clean fill and a good first session, and wash your hands afterwards, because liquid on skin carries nicotine.

• Switch the device off and, if it has a lock, engage it so that it cannot fire while you are handling the tank.
• Open the tank or pod. On a top-fill tank, slide or unscrew the top cap. On a pod, pull the silicone plug from the fill port.
• Fill slowly, aiming the nozzle at the side wall of the tank and keeping liquid away from the central air tube. Stop just below the maximum line, because overfilling is a leading cause of leaks.
• Close the tank, check that the seals and the cap are seated properly, and wipe any spilled liquid from the outside and the threads.
• Wait five to ten minutes. This gives the cotton time to absorb the liquid. Skipping this step is the most common cause of a burnt first puff.
• Take a few primer puffs without pressing the fire button, if your device allows, to pull liquid into the wick. Then take a couple of gentle puffs at low power.
• Raise the power in small steps until the flavour and warmth feel right. Stay within the range printed on the coil.

When you vape, draw slowly into your mouth for two to four seconds, pause, and then inhale into your lungs. This mouth-to-lung style is the one an 18mg liquid is designed for. Taking a deep, direct lung draw as with a sub-ohm device will deliver far too much nicotine at once.

Look after the tank. When the level drops to about a third, refill it, because running a coil dry causes burnt flavours and shortens its life. If you switch to a different flavour, rinse the tank and let it dry first, or you will taste the old liquid for a day or two. Do not top up with a different nicotine strength in the same tank, because you will not know what you are inhaling.

Store the device upright when not in use, and carry it in a case or pocket where the fire button cannot be pressed by accident. Keep bottles in a cool, dark place away from children, and never decant liquid into drinks bottles, food containers or anything that could be mistaken for a drink.

Troubleshooting common problems

Most problems with bottled liquid come down to the coil, the fill or the power setting, and nearly all can be fixed in a minute or two. Here are the usual causes and the fixes.

• Burnt or dry taste: the coil is not saturated or has reached the end of its life. Let the tank sit for five to ten minutes after filling, put a couple of drops straight on the cotton, lower the power, and replace the coil if the taste persists after a fresh fill.
• Gurgling or spitting: too much liquid has pooled around the coil or in the chimney. Blow gently through the mouthpiece with the device off to clear it, dab the mouthpiece with a tissue, and avoid overfilling next time.
• Leaking: check that the tank sections are tightened correctly and that the seals are not twisted or cracked. A very full tank, a loose coil, and temperature changes all contribute. Keep the device upright and clean the threads.
• Weak or flat flavour: this may be a worn coil, or vaper's tongue, where your sense of taste has become used to the same flavour. Change coil, rest your palate with water and a different flavour for a day, and check the power is not too high.
• Sweet sticky residue on the coil or tank: a normal side effect of sweet fruit liquids. Rinse the tank with warm water, let it dry fully, and fit a new coil if the old one is dark and sticky.
• Harsh throat or coughing: power may be too high, the airflow too tight, or the strength too high. Lower the wattage, open the airflow and consider a lower strength.
• Dizziness, nausea or headache: you may be taking in more nicotine than your body wants. Stop, rest, drink water, and move to a lower strength.
• No vapour at all: check the battery charge, make sure the coil is seated and the device is switched on, and look for liquid blocking the airflow. If the device is faulty, contact the manufacturer or the seller.
• Liquid has darkened: some darkening is natural with age, but if the colour has changed a lot or the flavour has turned bitter, replace the bottle.

If a problem keeps coming back after you have worked through these steps, try a fresh coil and a freshly opened bottle to separate a hardware fault from a liquid fault. If the issue lies with the bottle itself, such as a damaged seal, a leaking cap or a smell that is clearly wrong, stop using it and contact the retailer with the batch number from the label.

Value for money and how it compares

Judging value on a 10ml bottle comes down to cost per millilitre, how long the bottle lasts, and how often you replace coils. We do not quote a price on this page, because prices change, so check the current listing at checkout. To work out the cost per ml, divide the price by ten, then compare it with other bottles on the same basis.

At the 2 to 3ml per day typical for regular 18mg users, one bottle covers roughly three to five days. If you are switching from cigarettes, that usually costs noticeably less than a pack-a-day habit, though you should add the cost of coils, which in the UK are commonly sold in multi-packs of several coils for a few pounds.

Here is how the main alternatives stack up, with the trade-offs on both sides:

• Other 10ml freebase fruit-ice liquids: many UK brands sell comparable cold-fruit flavours in the same size and strength. The difference is mostly down to flavour accuracy and cooling intensity, and which suits you is a matter of taste. Price is often similar, so choose on the flavour you prefer.
• 10ml nicotine salt ranges such as Elf Liq or IVG: these are commonly sold at 10mg and 20mg, designed for low-power pod kits and a smoother throat. They suit people who want a gentle throat and quick nicotine delivery. They are a poorer match for tank kits with higher power, and the strengths are not directly comparable to an 18mg freebase liquid.
• Shortfills with nicotine shots: a 50ml or 100ml shortfill plus nicotine shots usually costs less per millilitre, and suits heavy daily users. You need to measure and shake correctly, store larger bottles safely, and the liquid is typically high VG, which is better for sub-ohm kit than for MTL.
• Disposables: these are no longer legally on sale in Great Britain, so the comparison is mostly historical. A refillable kit and bottled liquid typically produced much less waste and cost less per puff.

Honest limitations: a 10ml bottle runs out quickly for heavy users, the cooling level may not match what you want, and 18mg is too strong for many people. The strengths of Purple Mix are that it is ready to use, clearly labelled and sold in an amount that lets you try the flavour without a large outlay. If you like it, buying several bottles together can reduce delivery costs.

Treat any claim that one liquid is far superior to all others with caution. Flavour is personal, and the most reliable way to judge value is to try a single bottle, track how long it lasts, and compare the real cost per week against what you spent before.