No leaks, no issues
Really pleased with the order overall. Everything arrived as expected, well packed, fast dispatch.
CaliypsoThe Purple Wave Caliypso 100ml Shortfill E-Liquid by Caliypso in Purple Wave at 0mg. Free UK delivery over £20, same-day dispatch on weekday orders before 4pm.
Caliypso Purple Wave 100ml Shortfill E-Liquid is a large bottle of nicotine-free vape juice, priced at £7.99 and listed in a single 0mg strength. It is a liquid, not a device. Nothing about it works until you pour it into a refillable tank or pod, so anyone hoping for something ready to use straight from the box should look at a kit or a disposable instead.
The bottle belongs to the Wave family of the Caliypso range, a set of 37 shortfills that all share one price and one 0mg listing. Purple is the colour code in the name. Two things follow from that. First, choosing between bottles in this range is almost entirely a question of flavour. Second, the buying decision is about how you vape, rather than about a spec sheet full of competing numbers.
Who is this page for? Mainly adults who already own a refillable tank, a sub-ohm kit or a compatible refillable pod system, and who want a generous quantity of flavoured liquid at a fair price. Perhaps you have been buying 10ml bottles and wincing at how quickly they run out. Perhaps you are new to shortfills and want to understand the term properly before spending anything. Both situations are covered below.
We have tried to be straightforward about what the listing does and does not tell us. It confirms the name, the brand, the 100ml bottle size, the price and the 0mg strength. It does not publish tasting notes, a VG and PG ratio or the exact volume of liquid inside. Where those details matter, we explain how to find them on the label of the bottle that arrives, rather than guessing on the manufacturer's behalf.
The sections that follow work through the format, the flavour name, the wider range, who the bottle suits, the running cost, filling and using it, adding nicotine if you want to, picking a strength, hardware pairing, storage and troubleshooting, and finally the practical side of ordering. Everything here is for adults only, so you must be 18 or over to buy. If you do add nicotine, please remember that it is an addictive substance.
The number on the front of the bottle is a capacity, not a promise. A 100ml shortfill is a bottle that could hold 100ml but has been filled with less, leaving deliberate empty space at the top. For bottles in this style the printed liquid volume is commonly 70ml or 80ml, although the only figure that counts is the one on the label of the bottle that lands on your doorstep.
That empty space exists because of UK rules. Under the Tobacco Products Directive framework, e-liquid containing nicotine may only be sold in bottles of up to 10ml, and its strength is capped at 20mg/ml. Nicotine-free liquid is not held to the same bottle limit, which is why a 0mg liquid can legally be sold in a big 100ml container. Makers then leave room for you to add nicotine yourself, using separate 10ml shots sold alongside.
A nicotine shot is a concentrated liquid in a carrier base, most commonly sold at 18mg/ml in a 10ml bottle. You tip it into the headroom, close the cap and shake. If you never want nicotine, the headroom still earns its place, because it gives the liquid space to move when you shake the bottle and stops it brimming over when you open the cap.
Most bottles in this format are fitted with a thin nozzle in the neck, and that nozzle is what you use to fill a tank or pod. Squeeze gently and a little at a time. A large soft bottle can push liquid out faster than a narrow filling port can take it, and the result is a sticky puddle on the desk. If the nozzle is missing or loose when your order arrives, tell us and we will sort it.
It helps to think of the product as two separate decisions. The first is the flavour, which you settle when you choose Purple Wave and pay your £7.99. The second is strength, which you settle later at home, and which can stay at 0mg for good. Splitting the choice this way is exactly why experienced vapers like the format, since it lets them tune the strength to their own taste and hardware. Our short fill e-liquids collection lists every size and brand we stock, so you can compare Caliypso with other 0mg options before you commit.
What does purple taste like? The listing does not say, and we would rather admit that than invent a description. Caliypso publishes this bottle as Purple Wave with no tasting notes beside it, so everything in this section is guidance on interpreting a name, not a claim about what is in the bottle.
In the vape trade, colours work as shorthand. Blue often points towards blue raspberry or blueberry, red towards strawberry, cherry or watermelon, and green towards apple, kiwi or sour candy. Purple has its own cluster of associations, and the usual suspects are grape, blackcurrant and darker mixed berries. None of this is a rule. Brands apply the shorthand loosely, and a purple label can just as easily mean a sweet and sour candy profile as a straight fruit. Treat the colour as a hint, not a recipe.
Then there is the word Wave. Inside this range it is a family name, shared by ten bottles, and nothing on the listing explains what separates a Wave from a Surf. What we can observe is that some names add a descriptor. Cold Wave implies a cooling element, and the Ocean Lemonade bottles imply a lemonade base. Purple Wave carries neither word, so we would not assume menthol, ice or lemon, although we would not rule them out either.
A practical way to find out what you have is a simple three-step check. Smell the neck of the bottle when you first open it, because a fruity liquid usually announces itself before a single puff. Then take a few draws from a freshly primed coil and concentrate on the inhale, where the headline flavour appears. Finally, notice the exhale and the aftertaste, which reveal whether the liquid is sweet and rounded or lighter and sharper.
Give any new bottle a fair trial of two or three tanks. A fresh coil can taste flat for its first few puffs, and your palate needs a moment to adjust to an unfamiliar flavour. If it turns out not to be for you, the rest of the range offers plenty of alternatives at exactly the same price, so the cost of changing your mind is small.
Thirty-seven bottles, four naming families, one price. That is the Caliypso shortfill catalogue in a sentence. Every bottle costs £7.99, every bottle is listed at 0mg, and the main thing that changes from one to the next is the flavour name on the front.
The Wave family has ten members: Black, Blue, Cold, Green, Orange, Pink, Purple, Rainbow, Red and Yellow Wave. The Surf family is a little smaller at eight, and includes Purple Surf, which shares its colour with this bottle. The Ocean Lemonade family also has ten, among them Purple Ocean Lemonade, Deep Blue Ocean Lemonade and Iceberg Ocean Lemonade. The fourth group is a set of named lemonades, such as Original Lemonade, Strawberry Lemonade, Pineapple Lemonade, Sweet Mango Lemonade, Triple Melon Lemonade, Tropical Punch Lemonade, Dark Cherry Lemonade and Lemon and Lime Lemonade. One further listing carries no flavour name at all.
What does that structure mean for you? If Purple Wave suits your palate, the closest neighbours are the other purple bottles, Purple Surf and Purple Ocean Lemonade. We cannot tell you how they differ in taste, because the listings do not say, but we can tell you how to find out cheaply. Buy two different purple bottles in the same order, fill the same tank with each in turn, and compare them on the same day with the same coil. A side-by-side test removes most of the guesswork.
If you enjoy the idea of the Wave family but want a different colour, the sensible approach is to pick one that matches the fruit you already like and read the name for descriptors. Cold in a name signals cooling. Ocean Lemonade signals a lemonade base. Rainbow suggests a mixed or candy-style profile, although again that is an inference from the name rather than a published fact.
Because the price never changes across the range, there is no financial penalty for experimenting. A basket of three different bottles costs exactly the same as three bottles of one flavour, and that freedom is one of the quiet advantages of buying from a single brand line.
Shortfills are not for everyone, and that is perfectly fine. The format rewards a certain kind of vaper and frustrates another, so it is worth being honest about which camp you are in before you order.
The bottle suits adults who already have refillable hardware and get through a fair amount of liquid. If you refill a tank every day or two, a 100ml bottle replaces a pile of small ones and cuts down on packaging. It suits people who like to fine-tune their own strength, because the 0mg base lets you add as much or as little nicotine as you choose. It also suits adults who prefer to vape without nicotine, who will find the plain 0mg listing exactly what they need. Our nicotine-free e-liquids page gathers the full selection if you want to see more options at 0mg.
It suits the curious, too. A flavour with no published description is a small gamble, and at £7.99 for a big bottle the gamble is modest. If you enjoy working out what a liquid tastes like by trial and error, you will have fun here.
Who should look elsewhere? Anyone who wants a device that works straight from the packet will be disappointed, because there is no battery, no coil and no mouthpiece in this box. A newcomer who does not own refillable hardware is better off starting with a kit, or with a sealed product such as a disposable, and returning to shortfills later. Anyone using a closed pod device with pre-filled cartridges cannot use this liquid at all.
It is also not the right choice for someone who dislikes any home mixing and wants a higher nicotine strength straight from the bottle. A ready-made nicotine salt liquid is a more convenient route in that case, and we cover the difference later.
Finally, the usual boundaries apply. This product is for adults aged 18 or over. It is not intended for anyone who does not already use nicotine products, and nicotine should never be added for the sake of it. If you are pregnant, have a medical condition or take medication, speak to a professional before using nicotine.
Numbers first. Caliypso Purple Wave costs £7.99 for a 100ml bottle, listed at 0mg. If the bottle held a full 100ml of liquid, that would work out at just under 8p per millilitre. Because shortfills are part-filled, the honest sum uses the volume printed on the label instead. At 80ml the cost is about 10p per millilitre, and at 70ml it is about 11.4p.
How long will a bottle last? That depends entirely on your habits and hardware, so treat these figures as illustrations. A vaper who uses around 3ml a day would take roughly twenty-six days to finish 80ml. Someone using 5ml a day would be reordering in about two weeks from a 70ml bottle. Direct-to-lung setups with big coils burn through liquid faster than compact mouth-to-lung pods, so track your own use for a week before you plan a stockpile.
Nicotine shots are a separate cost. If you add them, the effective price of each millilitre of finished liquid goes up a little, though it generally stays competitive against buying the same volume in small bottles. Check the current shot price on the shop before you order so you know your full total at the outset.
Delivery is where a small amount of planning pays off. Orders over £20 qualify for free UK delivery. One bottle at £7.99 will not reach that mark, and two bottles come to £15.98, which still falls short. Three bottles total £23.97 and clear the threshold on their own, so a trio of mixed flavours from the range is a tidy way to avoid paying postage. We also run temporary promotions, and the vape deals page is the place to look, although we cannot promise a deal on this exact bottle at any given moment.
Finally, price is not the only yardstick for value. A cheap liquid that suits your tank poorly wastes money through leaks, burnt coils or a flavour you never really enjoy. Matching the bottle to your hardware protects your £7.99 better than any discount does.
Filling up takes about a minute once you have done it a couple of times. The routine below suits most refillable tanks and pods, but your device manual always takes priority if it says something different.
When you first fire the device, take gentle, short draws at the lower end of the wattage range printed on the coil. A burnt cotton taste in the first minute almost always means the coil was not fully soaked, and it can ruin a coil that would otherwise have lasted weeks. Priming by dripping a few drops straight onto the cotton before you assemble the tank gives the wick a head start.
Pace yourself as well. Chain vaping, meaning one long puff after another with no pause, can dry out a coil because liquid cannot travel through the cotton quickly enough. A short gap between puffs lets the wick refill.
If your pod or tank holds 2ml, which is the legal limit for refillable tanks sold in the UK, you will refill it many times from one bottle. That is why tidy, controlled filling matters. Keep a tissue nearby, fill over a table instead of a carpet, and keep the bottle upright whenever you are not squeezing it.
Nicotine is entirely optional with this bottle, and plenty of adults leave it at 0mg for good. If you do want nicotine, the process is simple. Before you begin, read the labels on both the shortfill and the shot, and work over a clean, dry surface well away from children and pets.
Write the date and the strength on the bottle with a marker or a sticky label. It sounds fussy, but a week from now you will not remember whether you added one shot or two, and an unlabelled bottle of strong liquid is a hazard in a house with children.
A few safety points deserve repeating. Concentrated nicotine must be kept out of reach of children and pets. If any spills on your skin, wash it off with plenty of water straight away. Never pour liquids into unmarked containers, and keep spare shots in their original packaging until you need them. Mixing at home also means the job of getting the strength right is yours, so take the arithmetic in the next section seriously.
Every mixed bottle obeys the same sum. Multiply the strength of each shot by its volume, add the results together, and divide by the total volume of the finished liquid. The 0mg base adds nothing to the top of that fraction, but its volume counts towards the bottom, which is why a bigger base dilutes the result.
Here are some worked examples using 18mg/ml shots. They are illustrations only, so swap in the numbers printed on your own bottles.
Notice how much the base volume matters. The same two shots produce either 3.6mg/ml or 4mg/ml depending on whether the bottle held 80ml or 70ml of liquid. That is why the label figure beats any assumption.
So what strength should you pick? There is no single answer, and we are not in a position to advise you medically. As a general pattern, shortfills are used with open, high-airflow hardware where each puff delivers a large cloud, and for that reason most people mix them at the lower end, somewhere between 0mg and about 6mg/ml. Starting low and stepping up is more sensible than overshooting. Too much nicotine can bring headaches, dizziness or nausea, and you can always add a shot later but you cannot easily take one out.
If mixing sounds like more effort than you want, there is another route. Ready-made nicotine salt e-liquids come in fixed strengths such as 10mg and 20mg and suit smaller, tighter-draw devices. The two styles do different jobs, so it pays to know which one your hardware prefers before you buy. If you are happy at 0mg, you can skip all of this and fill your tank straight away.
A bottle of liquid is only half of a vape, and the other half decides how pleasant your experience turns out. Large shortfills tend to be thicker, higher-VG liquids, which shapes the hardware that suits them. We cannot quote the exact VG and PG split for Purple Wave from the listing, so check the label, but as a rule a thick liquid prefers wide wicking channels and lower-resistance coils.
Sub-ohm tanks are the natural partner. They were designed for direct-to-lung vaping, they take coil heads with generous wicking holes, and they cope well with thick liquid without starving the cotton. Read the coil packaging for its recommended wattage and for the VG range it is rated for, and stay inside those limits. If you need a device to go with them, the vape kits category is a good place to start, and a kit with a replaceable coil is usually the better long-term buy because you can swap the coil as it wears instead of binning the whole device.
Refillable pod systems can work as well, provided the pod and coil are built for the thickness of your liquid. Some compact pods use tighter coils that wick slowly, and a very thick liquid can leave them gurgling or producing dry hits. If the manual for your kit recommends a maximum VG percentage, follow it. The refillable vape pods shelf shows what is available if you want to upgrade.
What will not work at all is anything sealed. Disposables and closed pod cartridges come pre-filled and are not designed to be opened, so a bottle of Purple Wave cannot be used in them. Forcing liquid into one is unsafe and wastes good liquid.
If you are weighing up an upgrade, think about the pattern of your use. A heavy user may like a larger tank with a bigger coil to cut down on refills. Someone who prefers a discreet device may be happier with a small refillable pod and a lighter hit. Neither is wrong, and the same bottle of Purple Wave will serve both, so long as the coil and the liquid are a sensible match for each other.
Heat, light and air are the three things e-liquid dislikes. Store the bottle upright, with the cap fully tightened, somewhere cool and dark such as a cupboard or drawer. A windowsill, a car glovebox or a spot beside a radiator is a poor choice, because warmth and sunlight can change the flavour and thin the liquid. Keep it out of reach of children and pets, and away from food and drink.
Shake the bottle gently before each refill, especially if you added nicotine. Over time a liquid can darken a little, and that on its own is not necessarily a fault. If it smells odd, tastes sour or has changed texture, stop using it and replace it instead of persevering.
Most problems with a refillable setup come down to a handful of causes, and you can usually fix them yourself.
If a bottle arrives damaged or something seems wrong with the liquid, do not use it. Contact us with your order number and a photograph, and we will look into it.
No product is perfect, so here is the balance sheet for Caliypso Purple Wave, followed by the practical side of buying it.
What works in its favour
What counts against it
Ordering is straightforward. You must be 18 or over, and we may ask you to confirm your age, which our age verification page explains in full. Orders placed before 4pm are dispatched the same working day, and UK delivery is free on orders over £20. Every product we sell is 100% genuine and comes through legitimate UK channels, which matters in a market where counterfeit liquids do exist.
When your parcel arrives, check that the seal is intact, the label is readable and the flavour and strength match your order. The label is also where the batch information, ingredients and legal warnings live. Our shipping information page sets out delivery timings, options and returns terms in detail, so read it if you have a particular date in mind. If anything is missing, damaged or not what you ordered, keep the packaging and get in touch through our contact page.
| Brand | Caliypso |
|---|---|
| Product type | E-Liquid |
| Nicotine strength | 0mg |
| Available flavours | 1 (Purple Wave) |
| Price | £7.99 |
| Availability | In stock — same-day dispatch |
| Compliance | UK TPD-compliant, MHRA-registered |
Caliypso 100ml shortfills focus on lemonade and wave-style flavour combinations — refreshing, often summer-themed builds.
No. The bottle is listed at 0mg, which means it is nicotine-free as sold. The 100ml bottle is only part-filled, and the spare space is there so adults who want nicotine can add separate 10ml shots at home. If you leave the bottle as it is, you are vaping a nicotine-free liquid. If you add shots, the finished strength depends on the liquid volume printed on your label, so work out the sum before you mix. You must be 18 or over to buy, and nicotine is addictive.
The 100ml figure is the size of the bottle, not the amount of liquid inside. Shortfills are deliberately sold part-filled, and bottles in this style commonly hold around 70ml or 80ml. The exact volume is printed on the label of the bottle you receive, and that is the number to use for any strength calculation. If you only plan to vape at 0mg, the extra headroom simply gives you space to shake the liquid and refill your tank without spilling.
Our listing gives the name and colour but no tasting notes, so we do not want to guess. In vaping, purple often hints at grape, blackcurrant or dark berry flavours, though brands use colours loosely and it could be something different. The sensible approach is to smell the bottle, try a couple of tanks with a freshly primed coil and judge it yourself. Every bottle in the range costs the same, so trying a different flavour next time costs you nothing extra.
Multiply each shot strength by its volume, add them up, then divide by the total volume of the finished liquid. For example, an 80ml base with two 10ml shots at 18mg/ml gives 360mg in 100ml, or 3.6mg/ml. A 70ml base with the same two shots gives 360mg in 90ml, or 4mg/ml. Always use the volume printed on your own label, because it changes the answer. Shake well after adding shots so the nicotine is evenly mixed.
No. Disposables and closed pod systems use sealed, pre-filled cartridges that are not designed to be opened or refilled, and putting loose liquid into them is unsafe. Purple Wave is meant for refillable devices such as sub-ohm tanks and refillable pods. If you currently use a closed system and would like to try shortfills, you will need to buy a refillable kit first. Our kit and refillable pod shelves are the best place to start looking.
It can be, but it depends on the thickness of the liquid and the pod. Large shortfills are often high in VG, and small pods with tight coils can struggle with thick liquid, leading to gurgling or dry hits. The listing does not state the VG and PG split, so check the label and compare it with your kit manual. If the manual names a maximum VG, stay within it. A sub-ohm tank with a wide-wicking coil is the safest match.
All three are 100ml Caliypso shortfills at £7.99 and 0mg, and the listings do not describe how they differ in taste. We can read a little from the names. Ocean Lemonade suggests a lemonade element, while Wave and Surf are plain family names with no stated meaning. The simplest way to compare is to buy two in one order and vape them in the same tank on the same day. Because the prices match, trying both carries no extra cost.
Keep it upright with the cap fully tightened, in a cool, dark place away from sunlight, radiators and car interiors. Heat and light can change the flavour and thin the liquid. Wipe the neck after each fill, and shake gently before refilling, especially if you have added nicotine. Label any bottle you have mixed with the date and strength, and keep it well out of reach of children and pets. If the liquid smells or tastes odd, replace it.
One bottle costs £7.99. UK delivery is free on orders over £20, and a single bottle does not reach that, nor do two at £15.98. Three bottles total £23.97 and qualify, so a mix of three flavours from the Caliypso range is an easy way to avoid postage. Orders placed before 4pm are dispatched the same working day. Our shipping page has the full detail on options and timings if you need something by a specific date.
Not usually. Shortfills are generally ready to vape once you have shaken the bottle, and you can fill a tank straight away. If you have added nicotine shots, a longer shake and a rest of a few minutes helps the mix settle, and some people leave it overnight, though that is optional. What matters more is priming a new coil properly so the cotton is fully soaked before the first puff. The label will say if the maker recommends anything different.
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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