Blue Sour Raspberry Vape

What this shelf covers, and what it leaves out

Blue Sour Raspberry is a flavour shelf rather than a hardware range, so the ten products gathered here have one thing in common and very little else. Each carries the same liquid profile: a blue raspberry base with an acid layer laid over the top, described across IVG's own listings as tart raspberry with a blueberry element and a sour finish. Beyond the liquid they diverge completely. Five distinct pod platforms are represented, built across roughly two years of product cycles, with coil resistances from 0.8 ohm to 1.1 ohm and pod capacities running from 2ml up to 22ml.

Everything here is a prefilled or closed pod format. There is no bottled version of this profile on the shelf, no 10ml nicotine salt you decant yourself and no shortfill. That matters more than it sounds. It means the liquid is welded to the hardware, and you cannot take a flavour you have settled on and move it into a device you already own unless that device belongs to the same family. The IVG Prefilled Pods shelf collects the pod-only entries across every flavour if the pod format is what you are committed to.

Six of the ten arrive as complete kits with a device in the box. Four are pods only. The most awkward entry to classify is the IVG AIR 4-in-1 Blue Vape Kit, which appears on this shelf because one of its four preloaded pods is Blue Sour Raspberry. The other three are Blue Raspberry Ice, Blue Raspberry Cherry and Strawberry Watermelon. If you arrived wanting this profile and nothing else, that kit hands you a quarter of what you asked for and three flavours you did not request, which is either a drawback or the single most interesting item on the page depending on how you feel about tasting close variations back to back.

What is deliberately absent is the unmodified fruit in either direction. Plain blue raspberry without the acid layer is not here, and plain raspberry without the blue is not here either. Both have shelves of their own. The blue raspberry shelf holds the sweeter, rounder confectionery reading of the same fruit, and the raspberry shelf is the parent listing covering every raspberry variant IVG makes, sour or otherwise, including the ones that lean towards the actual berry rather than the sweet-shop abstraction. Five products appear on both this shelf and the blue raspberry one, which tells you how thin the line between the two is in cataloguing terms, whatever your palate makes of it.

Nicotine strength is part of the boundary too. Most of this shelf is 20mg nicotine salt and therefore also appears on 20mg Vape Kits & Refill Pods. Two entries list a 10mg option as well. One of those, the IVG PRO 10K Blue Sour Raspberry Prefilled Pod, is additionally listed at 0mg. Those are plain facts about what is stocked in this profile, nothing more. Nicotine is an addictive substance and the strength you use is your own business, not something a shelf page should have an opinion about.

What sourness actually does in vapour

Sour is the least carefully used word in vape flavour writing, so it is worth being precise about what it means on this particular shelf. Sourness in food is acidity: citric, malic or tartaric acid landing on the tongue and producing a fast, specific, faintly uncomfortable signal along the sides of it and under the jaw. Sourness in an e-liquid is a constructed imitation of that, assembled from flavour concentrates that carry an acidic character and, in sweet-shop profiles, usually a genuine food acid as well. It is not a taste in the way that strawberry is a taste. It is closer to an event: something that happens at a particular moment in the puff and then stops.

Where the sour sits inside the puff

Draw slowly on any pod in this family and the sequence is consistent. The inhale is mostly sweetness and a vague blue fruit with very little definition. The acid arrives at the front of the exhale, peaks within roughly half a second, and has faded before the exhale finishes. What remains on the palate afterwards is the blue raspberry base, noticeably sweeter than the peak led you to expect. This is why so many people describe sour liquids as sour at first and then quietly wonder whether they imagined it.

The practical consequence is that draw length changes this profile far more than it changes a straightforwardly sweet one. A short, sharp pull concentrates the acid signal into a narrow window and the liquid reads as genuinely tart. A long, slow pull spreads the same volume of vapour across a longer exhale, the peak flattens, and the identical pod tastes like a sweet blue raspberry with a faint edge on it. Nobody puts this on a box, and it accounts for a good share of the disagreement about whether any given sour flavour is actually sour.

Sourness and sweetness are not opposites

It is tempting to read a sour flavour as a less sweet one. Usually the reverse holds. Acid suppresses the perception of sugar, so a sour build needs more sweetener to keep the fruit legible underneath, not less. Blue Sour Raspberry is a sweet liquid by any measure, and anyone who finds the plain blue raspberry shelf too sugary will not find relief by moving here. What the acid changes is the shape of the sweetness rather than the quantity of it. Sugar on its own sits flat and broad across the palate. Sugar with acid over it has a point on it.

A second effect matters more over a long session. Sweetness coats. It builds a film across the tongue and soft palate that dulls whatever follows, which is the mechanism behind flavour fatigue on desserts and heavy candy profiles. Acid provokes salivation, and salivation rinses. A sour fruit therefore tends to stay legible for longer than its sugar content alone would predict. It does not prevent fatigue, it slows the onset, and the difference is roughly the gap between a profile you abandon by mid-afternoon and one you keep reaching for.

Sourness against ice

Cooling agents barely have a flavour of their own. They act on the nerve channels that register temperature and irritation, which is part of the same broad system carrying the sour signal. Stack a heavy coolant load over an acid layer and the two compete for the same window at the start of the exhale. Cold usually wins, because it arrives fractionally earlier and persists for far longer, so a heavily iced sour profile reads as smooth and slightly blunted rather than sharp. That is not a fault in either component. It is simply what happens when two signals arrive at the same door.

This family is labelled inconsistently on exactly that point. The listing for the PRO 2 10K kit describes it as an ice variant. The listing for the PRO 10K prefilled pod that goes into that same device says nothing about ice at all, and it is the same pod. The sensible reading is that this profile carries a light cooling element throughout rather than a menthol-forward one: enough to keep the exhale crisp, not enough to flatten the acid. If you want the fruit properly iced, that version lives on the blue raspberry shelf rather than this one.

Power, coil resistance and coil age

Sour top notes are volatile and they register most strongly at modest power on a tight mouth-to-lung draw, where the vapour is dense and the liquid is not being pushed hard. Raise the power and the sweetener and the coolant scale up faster than the acid does, so the same pod turns rounder and sweeter. Two devices here let you test that in an afternoon: the IVG XL35 Blue Sour Raspberry Vape Kit and the SMART MAX kit both carry Boost and Eco modes. Eco keeps the acid peak defined and the exhale drier. Boost produces a denser, sweeter vape with the sour pushed into the background.

Coil resistance does the same job as a fixed setting. The 0.8 ohm mesh used in the PRO and SMART MAX pods runs warmer and wetter, which favours the sweet base. The dual 1.1 ohm arrangement in the XL35 pulls tighter and drier, which favours the acid. Neither is better. They are two different readings of one liquid, and which you prefer is genuinely a matter of taste rather than a matter of specification.

Coil age works the same way in slow motion. As a coil accumulates residue and wicks less freely, the lightest and most volatile parts of a profile disappear first. The acid layer goes early. The fruit and the sweetener last considerably longer. A pod three quarters of the way through its life often tastes like a plain blue raspberry, which is not a defect so much as the predictable end of a sour build. If the sourness is the reason you bought it, that is an argument for the smaller pod formats on this shelf rather than the larger ones.

Blue sour raspberry, blue raspberry and raspberry, side by side

These three shelves overlap heavily and buyers move between them constantly, so it is worth setting out what separates them rather than treating the names as self-explanatory.

Raspberry is the one aiming at the fruit. The reference point is the berry: jammy, faintly floral, with a dry seedy edge and a darker red character. Sweetener is present but restrained, and there is no confectionery signal at all. It is the least demanding of the three across a long day and the least distinctive in a rotation. The full spread of those sits on the parent raspberry shelf.

Blue raspberry is not a fruit. It is a confectionery colour, adopted so that raspberry lollies and slush drinks could be told apart from cherry ones at a glance, and the flavour that grew up around the colour is an abstraction: rounder, syrupy, sweeter, with the seed note stripped out and a slush-drink coldness frequently layered in. It tastes like the idea of a raspberry rather than a raspberry. Blue Raspberry Vape collects those.

Blue sour raspberry takes the confectionery base and lays an acid layer over it. That accomplishes two things. It gives the sweetness a defined peak instead of a flat plateau, and it reintroduces a little of the tension the blue abstraction loses when it drops the real fruit's tartness. The result sits between the two neighbours: sweeter than plain raspberry, sharper than plain blue raspberry, and much closer to a sour sweet than to anything you would pick off a bush.

Put practically. If plain blue raspberry has started tasting like syrup to you, this shelf is the obvious next stop and the change is real rather than cosmetic. If plain raspberry feels too quiet, this will wake it up, but it brings a great deal more sugar along with the acid, and some people find that is not the trade they wanted. And if sour profiles already tire you out, nothing here will change your mind, because the acid layer is the entire purpose of the shelf.

One further distinction is worth knowing, because it is easy to miss. Several listings in this family describe blueberry as well as raspberry. The SAVR refill pod and the IVG Air Pods Blue Sour Raspberry are both described as tart raspberry with sweet blueberry running through, and the Reload Mini version puts blueberry in the product name outright. The blue in blue sour raspberry is therefore not purely a colour reference in IVG's version of it. There is a softer, darker berry sitting underneath the sharp one, and it is the reason this profile reads a little deeper than a pure slush-drink blue raspberry does.

The ten products, in four honest groups

Grouping by flavour would be pointless here, since the flavour barely moves. Grouping by what your money buys and which hardware you end up owning afterwards is the cut that helps.

Group one: the sub-£2 entry points

Four products sit under £2 and they are the cheapest route into this profile by a wide margin. IVG Air Pods Blue Sour Raspberry at £0.49 is a dual pack of 2ml 20mg pods, which is 4ml of liquid for under fifty pence, carrying the large caveat that Air pods work only in an IVG Air body and will not operate in the IVG 2400 or anything else. The IVG AIR 4-in-1 Blue Vape Kit at £1.99 is that body, holding four 2ml pods at once on an 1100mAh battery, with a twist collar that selects which pod you are drawing from and a window that shows you the choice. Buy the two together and you own the device plus six pods for under £2.50.

That pairing is also the only straightforward way to taste this profile against its nearest neighbour without putting one pod down to pick up another. The 4-in-1 ships with Blue Sour Raspberry and Blue Raspberry Ice loaded side by side, so a twist of the body moves you from the sour reading to the iced one in the same session, on the same coil, with the same battery behind it. Nothing else on this shelf allows that. It sits on the 4-in-1 Vape shelf with the other multi-pod bodies, and it charges over Type-C, though the cable is not included.

The IVG SAVR Blue Sour Raspberry Refill Pod at £0.99 is a different proposition. It is a 2ml pod with a 4ml refill container that clicks into it, 6ml in total at 20mg, rated by the manufacturer at up to 3,000 puffs per pod, which is a laboratory estimate rather than anything you should plan around. It needs a SAVR device, and no SAVR body carries this flavour on this shelf, so treat it as a restock item for people already on that platform rather than as a way in.

The IVG Reload Mini Sour Blueberry Raspberry Vape Kit at £1.49 is the smallest complete device here: a compact mouth-to-lung pod body arriving with one 2ml 20mg pod fitted, taking IVG 2400 Reload pods after that, and rated by the manufacturer at up to 600 puffs per pod. It is the lightest thing on the shelf and the one with the shortest run between pod changes, which, given what coil age does to an acid layer, is a genuine argument in its favour rather than only a limitation. It sits alongside the other rechargeable pod bodies on Disposable Vape Alternatives.

Group two: the PRO family, where one pod fits two bodies

Three products form the only genuinely cross-compatible cluster on the shelf, and that single fact should drive the decision for a lot of people. The IVG PRO 10K Blue Sour Raspberry Prefilled Pod at £7.95 is a 2ml pod with a 10ml auto-fill container, 12ml in total, and it drops into both the original PRO and the PRO 2. It is also the only item on this shelf offered in three strengths, listed at 0mg, 10mg and 20mg, which makes it the flexible entry by some distance.

The IVG PRO 10K Blue Sour Raspberry Vape Kit at £10.95 is that pod plus the original PRO body: a 1000mAh battery, Type-C charging, a mouth-to-lung draw and 20mg in the box. The IVG PRO 2 10K Blue Sour Raspberry Vape Kit at £13.95 is the newer body, 75mm by 49.5mm by 28mm, running a 0.8 ohm mesh pod behind a touch battery display. Both are rated by the manufacturer at up to 10,000 puffs per pod, a laboratory figure that says nothing reliable about how a given person actually vapes.

The £3 between the two kits buys the newer chassis and the display, not a different liquid and not a different pod. Because the refill is shared across both generations, this is a one-off hardware decision you will not have to revisit every time you restock, which is the strongest practical argument for entering this profile through the PRO platform at all. The wider line-up is on the IVG PRO Range shelf, with the newer bodies gathered separately under IVG PRO 2 10K Range.

Group three: SMART MAX, the refill-led route

The IVG SMART MAX Blue Sour Raspberry Vape Kit at £10.95 and the IVG SMART MAX Blue Sour Raspberry Refill Pod at £7.95 are the same liquid in the same 2ml plus 10ml auto-fill format, one bundled with a 1000mAh body and a smart display and one on its own. Both run a 0.8 ohm mesh coil and both are rated by the manufacturer at up to 10,000 puffs per pod as a laboratory estimate. The kit weighs 90g, which is light enough to forget about in a jacket pocket.

Two things separate SMART MAX from PRO in daily use. The SMART MAX kit carries Boost and Eco modes, which, as set out above, genuinely changes how sour the liquid reads rather than only changing vapour volume. And the SMART MAX refill is listed in 10mg as well as 20mg, where the PRO refill additionally offers 0mg. Neither pod will seat in the other family's device, so the strength options are effectively a property of the device you choose, not a choice you can make later. The rest of the flavours for that platform are on IVG SMART MAX Range.

Group four: XL35, the capacity outlier

The IVG XL35 Blue Sour Raspberry Vape Kit at £3.99 does not fit the pattern of the other three groups at all. It is a 22ml pod system, 2ml in the pod itself with two 10ml refill containers in the box, running dual 1.1 ohm mesh coils at 18W from an 1100mAh battery inside an aluminium chassis, with a smart display and the same Boost and Eco toggle as the SMART MAX. The manufacturer rates it at up to 35,000 puffs, which is again a laboratory estimate and not a figure to buy on.

Two notes of honesty about it. First, the dual 1.1 ohm coil arrangement pulls a little tighter and drier than the 0.8 ohm single mesh in the PRO and SMART MAX pods, which suits an acid layer well and is the reason this device arguably shows the profile at its sharpest. Second, 22ml is a great deal of one flavour to commit to if you are not already certain about it, and by the back half of that volume your palate will have stopped registering the sour peak as anything remarkable. It sits with the other high-capacity systems on Big Puff Vapes.

The decisions you actually face here

Do you already own one of these bodies?

If you do, the decision is made for you and the rest of this page is background reading. Air pods go in Air bodies. SAVR pods go in SAVR bodies. SMART MAX pods go in SMART MAX bodies. PRO pods go in either PRO generation. Nothing crosses those lines, and no adapter exists. The two devices on this shelf whose refills are not sold here in this flavour are the XL35 and the Reload Mini, so if you own either of those you are buying the complete kit again or taking the flavour from a different platform.

Are you committing to this profile or testing it?

Testing is cheap. Forty-nine pence buys 4ml if you have an Air body, and £1.99 buys the body plus four pods if you do not, one of which is this flavour and one of which is its iced neighbour. Committing is where the money goes, and the commitment is not really to the liquid, it is to the platform. A £10.95 PRO kit or a £13.95 PRO 2 kit is a decision about which pods you will be buying for the next year. That is worth more thought than the flavour itself, because the IVG Vapes catalogue offers dozens of profiles for each platform and only one platform will be in your pocket.

Do you want the acid sharp or rounded off?

Sharp means lower power and higher resistance: the XL35 in Eco mode on its 1.1 ohm dual coils is the sharpest reading of this liquid available on the shelf. Rounded means the 0.8 ohm mesh in the PRO and SMART MAX pods, warmer and wetter, with the sweetness carrying further and the acid sitting behind it. The SMART MAX kit is the one device that gives you both readings from a single pod, since the Eco and Boost toggle moves it noticeably in each direction.

Does the strength you want exist in the format you want?

This is the constraint most people discover after the device has arrived. The great majority of this shelf is 20mg nicotine salt. Only the SMART MAX refill and the PRO refill list 10mg, and only the PRO refill lists 0mg. If you need anything other than 20mg in this profile, the choice narrows to two pods and therefore to two device families before you have considered anything else. Check that first and let it eliminate options, rather than choosing a body and then discovering the strength is not offered for it.

How often do you want to handle the thing?

There is a factor of eleven between the smallest and largest capacities here, from the 2ml pod in the Reload Mini to the 22ml system in the XL35. Small means frequent changes, a fresh coil more often and an acid layer that stays sharp. Large means you forget about it for a fortnight and accept that the flavour drifts sweeter as the coil ages. Neither answer is wrong, but people tend to choose on capacity alone and then complain about the consequence of the choice they made.

Formats, and what genuinely fits what

Most of the money wasted on a flavour shelf is wasted here, so it is worth being blunt. Five pod systems appear on this page and exactly one pair of devices shares a pod between them.

Platform	Pod format	Coil	What it fits
IVG Air	2ml pods, sold in twos	fixed	IVG Air 4-in-1 and Air 2-in-1 only, not the IVG 2400
IVG Reload Mini	2ml prefilled pod	fixed	IVG 2400 Reload pods
IVG SAVR	2ml pod plus 4ml refill, 6ml total	mesh	SAVR bodies only
IVG PRO and PRO 2	2ml pod plus 10ml refill, 12ml total	0.8 ohm mesh	PRO 10K and PRO 2 10K
IVG SMART MAX	2ml pod plus 10ml refill, 12ml total	0.8 ohm mesh	SMART MAX bodies only
IVG XL35	2ml pod plus two 10ml refills, 22ml total	dual 1.1 ohm mesh	XL35 only

The two-part pod deserves an explanation, because the numbers confuse people. When a listing says 2+10ml, the pod in the device holds 2ml and the separate container holds 10ml. The container clicks into the top of the pod and you press down to transfer liquid across, refilling the 2ml pod several times from the one container until it is empty. The pod stays at 2ml at every moment. The 12ml figure describes the total liquid in the pack, not the size of the tank you are carrying around. The same logic applies to the 6ml SAVR pack and the 22ml XL35 pack.

Draw style is consistent across the shelf. Every device here is built for a restricted mouth-to-lung inhale: you pull vapour into the mouth first and then take it down, against noticeable resistance. None of these are open airflow devices and none of them are intended to be run at high wattage. The resistance figures tell you how tight each one feels. A 1.1 ohm coil pulls tighter than a 0.8 ohm one at the same power, which is why the XL35 feels more restricted than the PRO despite being the physically larger device.

Mesh coils, which every platform here uses in some form, heat across a flat surface rather than a wound wire, so they wet evenly and give a more consistent flavour from the first pull of a pod to the last. That consistency is more valuable on a sour profile than on a sweet one, because an acid layer is the first casualty of uneven wicking. It is also why a pod that has been left in a hot car or knocked about often comes back tasting flatter than it should.

What the price spread reflects

The shelf runs from £0.49 to £13.95, and the ratio between the cheapest and dearest cost per millilitre is larger still. The £0.49 Air dual pack works out at roughly twelve pence per ml of liquid. The £0.99 SAVR pack is about seventeen pence per ml. The £3.99 XL35 kit is around eighteen pence per ml and includes a complete device. The £7.95 refills for PRO and SMART MAX are closer to sixty-six pence per ml.

That is a five-fold spread on the same flavour, and it does not track quality. It tracks platform age, what hardware is bundled into the box and how the range is positioned. The £7.95 pods are current-generation consumables for devices still being sold as flagships. The sub-£2 items are older platforms or smaller formats. Nobody should read the ordering as a ranking of the liquid, because the liquid is broadly the same thing in every one of them.

The useful way to read the spread is by what you are actually buying. Under £2 you are buying liquid and, in two cases, a basic body to put it in. Between £3.99 and £7.95 you are buying capacity. At £10.95 and £13.95 you are buying a current device with a display and a pod ecosystem behind it. Prices on any shelf move, so treat the figures above as the arrangement as listed rather than a permanent hierarchy, and check the grid for what each item costs today.

Where to go next

If the acid layer turns out to be more than you wanted, the neighbouring Blue Raspberry Vape shelf is the natural step sideways: the same blue fruit, rounder and sweeter, with the tension taken out. If it turns out to be the sweetness rather than the acid that bothers you, go the other way to Raspberry Vape and look for the entries leaning on the actual berry.

If the flavour is settled and the hardware is the open question, IVG Vapes covers the complete kits and IVG Prefilled Pods covers consumables across every platform. Buyers who want the biggest capacity per purchase should start at Big Puff Vapes, and anyone specifically replacing a single-use device with a rechargeable pod body will find those collected on Disposable Vape Alternatives.

For strength-led browsing, 20mg Vape Kits & Refill Pods and 10mg Vape Kits & Refill Pods are the two shelves this profile touches. And if you would rather see everything at once and filter it yourself, all IVG products runs to 454 items.

Closing

Blue Sour Raspberry is a well-made version of a familiar idea rather than an unusual flavour, and this shelf is honest about that. The liquid is sweet, the acid sits in a narrow window at the front of the exhale, and it fades from your perception long before it fades from the pod. Judged against its two immediate neighbours it is the middle position: more definition than plain blue raspberry, more sugar than plain raspberry, and a profile that rewards short draws and fresh coils more than most.

The real decision on this page is not which of ten flavours to buy, because they are one flavour. It is which of five pod platforms you want to be buying consumables for. Work backwards from that, check the strength is offered in the format you have chosen, and the rest falls out on its own.

Strictly for adults aged 18 and over. Nicotine is an addictive substance.

Frequently asked questions

What does Blue Sour Raspberry actually taste like?

A sweet blue raspberry base with an acid layer over the top. The inhale is mostly sugar and a soft blue fruit with little definition. The sour arrives at the start of the exhale, peaks quickly and fades, leaving the sweet base behind. IVG's own listings also describe a blueberry element alongside the raspberry, which gives it a slightly darker, softer bottom end than a pure slush-drink blue raspberry. It reads as a sour sweet rather than as fresh fruit, and it is sweet throughout rather than tart throughout.

How is it different from plain blue raspberry?

The fruit base is broadly the same confectionery abstraction. The difference is the acid layer, which gives the sweetness a defined peak instead of a flat plateau and stops it reading as syrup. It is not less sweet. Sour builds usually carry more sweetener, not less, because acid suppresses the perception of sugar. If you want the rounder version without the edge, that is the Blue Raspberry Vape shelf, and five products appear on both shelves.

How is it different from plain raspberry?

Plain raspberry aims at the berry: jammy, faintly floral, with a dry seedy edge and restrained sweetener. Blue sour raspberry is a confectionery profile with a sour layer, considerably sweeter, with no seed note and a candy character throughout. Moving from raspberry to this shelf gains you sharpness and costs you subtlety. The full range of raspberry variants sits on Raspberry Vape.

Is there menthol or ice in this flavour?

The labelling is inconsistent. The IVG PRO 2 kit listing describes it as an ice variant, while the PRO prefilled pod that goes into that same device does not mention ice, and it is the same pod. The reasonable conclusion is a light cooling element rather than a menthol-forward one: enough to keep the exhale crisp without flattening the acid. Heavy coolant would blunt the sour peak, because cold and acid compete for the same moment at the start of the exhale.

Which pods fit which devices?

None of them cross families except one pair. Air pods fit the IVG Air 4-in-1 and Air 2-in-1 and nothing else, specifically not the IVG 2400. The IVG SAVR Blue Sour Raspberry Refill Pod fits SAVR bodies only. The SMART MAX pod fits SMART MAX bodies only. The Reload Mini takes IVG 2400 Reload pods. The XL35 pod is closed to the XL35. The one exception is the PRO pod, which fits both PRO generations.

Can I use a PRO pod in a PRO 2?

Yes. That is the one genuine cross-compatibility on this shelf. The IVG PRO 10K Blue Sour Raspberry Prefilled Pod is the consumable for both the PRO 10K and the PRO 2 10K, so buying into either body does not lock you out of the other later. It is the main practical argument for entering this profile through the IVG PRO Range rather than a platform whose pods are closed to a single device.

Is this an all-day flavour or an occasional one?

It holds up better than its sugar content suggests, because acid provokes salivation and salivation rinses the palate, where sweetness alone builds a coating that dulls everything after it. It is still a sweet candy profile, so it will tire you out faster than a light fruit would. Most people who use it all day rotate it with something unsweetened rather than running it alone from morning to night.

Why does it stop tasting sour after a while?

Two separate things happen. Your palate adapts within an hour or so of steady use, stops registering the acid peak as remarkable and leaves you tasting mostly the sweet base. And the coil ages: as it picks up residue and wicks less freely, the lightest and most volatile parts of the profile go first, and the acid layer is the lightest part. A pod three quarters used genuinely does taste closer to a plain blue raspberry.

Does Boost or Eco mode change the taste?

Noticeably, yes, on the two devices that have the toggle. Eco runs at lower power, which keeps the vapour drier and the acid peak defined. Boost pushes more power through the coil, and the sweetener and coolant scale up faster than the acid does, so the same pod turns rounder and sweeter. The IVG SMART MAX Blue Sour Raspberry Vape Kit and the IVG XL35 Blue Sour Raspberry Vape Kit both offer it.

What nicotine strengths is this flavour available in?

Most of the shelf is 20mg nicotine salt. The SMART MAX refill pod is listed at 10mg and 20mg. The PRO prefilled pod is listed at 0mg, 10mg and 20mg, making it the only item here with a nicotine-free option. Every complete kit on the shelf is 20mg. Because pods do not cross between families, the strength options are effectively fixed by the device you choose, so check the strength before the body. Nicotine is an addictive substance.

What does the 2+10ml or 2+10+10ml figure mean?

The first number is the pod in the device, always 2ml. The others are separate refill containers in the pack. The container clicks onto the pod and you press to transfer liquid, refilling the 2ml pod repeatedly until the container runs out. So a 12ml pack is 2ml in the pod plus 10ml waiting, and the XL35's 22ml pack is 2ml plus two 10ml containers. The tank you carry is 2ml at all times.

Why is the £3.99 XL35 kit cheaper than a £7.95 refill pod?

Because price on this shelf tracks platform age and positioning rather than volume or quality. The £7.95 pods are current-generation consumables for devices still sold as flagships, while the XL35 kit is priced as listed at £3.99 for a complete 22ml system. The liquid is the same profile in both. Prices move, so take the grid as current rather than the figures in this text.

What is the cheapest way to try this profile?

If you already have an IVG Air body, the £0.49 dual pack of IVG Air Pods Blue Sour Raspberry gives you 4ml. If you do not, the IVG AIR 4-in-1 Blue Vape Kit at £1.99 includes the body and four pods, one of which is this flavour. Bear in mind the Air platform is closed, so a cheap test there does not carry over to the PRO or SMART MAX systems.

Why is the Reload Mini version named differently?

It is listed as Sour Blueberry Raspberry rather than Blue Sour Raspberry, and the listing describes tart blueberries and raspberries with a sour finish. Whether that is a genuinely different mix or the same idea named differently is not something the specifications settle. Given that the SAVR and Air listings also describe blueberry alongside the raspberry, the profiles are at minimum close relatives. The IVG Reload Mini Sour Blueberry Raspberry Vape Kit is also the shortest-running pod here, rated by the manufacturer at up to 600 puffs per pod.