Vaporesso GRM Coil for Cascade Tank (Pack of 3) 0.15 Ohm

Overview

The Vaporesso GRM Coil for Cascade Tank (Pack of 3) 0.15 Ohm by Vaporesso in 0.15 Ohm at 0mg. Free UK delivery over £20, same-day dispatch on weekday orders before 4pm.

Overview of the GRM coil pack for the Cascade tank

The Vaporesso GRM Coil for Cascade Tank (Pack of 3) is a set of three replacement coil heads designed for the Cascade tank in Vaporesso's range. It is an accessory rather than a complete vape: you need a Cascade tank, or a kit that includes one, before these coils are any use. Think of the pack as consumable stock. The coil is the part that heats your e-liquid, and like a printer cartridge or a razor blade it wears out and gets swapped, which is why buying a multi-pack is the sensible way to stay supplied.

Vaporesso is one of the larger names in refillable vaping hardware, and it builds its replacement heads as pre-made units, so there is no building, wrapping or wicking involved. You remove the old head, fit the new one, prime it with e-liquid and carry on. That convenience is the whole point of the GRM pack. It is aimed at people who would rather spend their time vaping than rebuilding coils with tweezers and a pot of cotton.

Here is what to expect from the listing at a glance:

• Product type: replacement coil heads, pack of three
• Compatible with: the Vaporesso Cascade tank (confirm before you order if you own a similar-looking tank from another range, because coil seats are not interchangeable between ranges)
• Variants in the family: three options, which in coil ranges like this normally differ by resistance and recommended wattage
• Nicotine use: any UK-legal refillable e-liquid, up to the 20mg/ml legal limit
• Age restriction: sold to adults aged 18 and over only

The sections below cover how the coil performs, how it tastes, how it is built, how to fit it, how to fix common problems, and where it sits against rival coil ranges. We have kept the specifics honest. Where a figure depends on which variant of the pack you pick, we say so instead of guessing, and we point you to the resistance and wattage markings printed on the coil body and packaging as the final word. Those markings are what your device and your e-liquid will actually respond to, so they matter more than any general description, including ours.

One more point before we go on. A coil pack has no puff count in the way a pre-filled pod does. What you are really buying is heating-element life, measured in days or weeks of use rather than a number printed on a box. We explain how to estimate that for your own habits in the performance and value sections.

Performance and vapour delivery

A coil does not have its own battery or its own e-liquid reservoir, so its performance is defined by three things: how quickly it heats, how evenly it heats, and how well its wick keeps up with demand. When those three line up, you get a consistent draw from the first puff to the last. When they do not, you get dry hits, spitting or a flat, muted vape. The GRM coil is built to sit in the Cascade tank's airflow path, so the tank and coil are designed as a matched pair, and that is the main reason to buy the right coil rather than a lookalike from another range.

In practice, you should notice the following on a fresh, properly primed head:

• Quick response: the coil reaches working temperature within a fraction of a second of pressing the button or inhaling, so there is no lag between draw and vapour.
• Steady vapour: vapour volume should stay level across a long draw instead of fading half way through.
• Throat feel: the hit depends on your nicotine strength and e-liquid mix, but the coil should deliver it smoothly rather than harshly, provided you stay inside the wattage window printed on the coil.

Because a coil has no built-in puff count, it helps to translate lifespan into something concrete. A moderate vaper might take 200 to 300 puffs a day. A coil that lasts ten days at that rate has delivered roughly 2,000 to 3,000 puffs. Across a pack of three, that is somewhere around 6,000 to 9,000 puffs. Treat that as a planning figure and not a guarantee. Heavy chain vaping, very sweet e-liquids and running above the recommended wattage all shorten coil life, while moderate use of a cleaner, less sweetened liquid at sensible power tends to extend it.

Tank capacity also shapes how the coil gets used. UK law caps the tank size on nicotine vaping products at 2ml, so UK editions of tanks hold less than the headline capacity you may see quoted in overseas reviews. A smaller tank means more frequent refills, and that is where many coil problems start. If you let the tank drop to the last few drops before topping up, the wick can run short of liquid and the cotton scorches. Refill when the level is low but not empty and the coil will last noticeably longer.

Finally, performance is not only about the coil. Your battery, your chosen wattage and your e-liquid all feed into what you taste and feel. We cover the power side in the battery section and the e-liquid side in the nicotine and flavour sections, so you can tune each variable instead of blaming the coil for a problem that sits elsewhere in the setup.

Flavour profile and what the coil does to taste

A coil does not add flavour of its own, and that is exactly what you want from it. A good replacement head is a neutral stage on which your e-liquid performs. Your fruit, menthol, dessert or tobacco profile should come through as the bottle intends, with the coil controlling how much of the flavour reaches you and how warm or cool the vapour feels. Understanding that relationship helps you get more out of the same e-liquid.

Three coil characteristics influence taste the most:

• Surface area: a coil with a large heating surface warms more liquid at once, which usually means fuller flavour and more vapour. A smaller surface tends to give a tighter, more concentrated taste with less vapour.
• Operating temperature: run the coil at the lower end of its wattage range for a cooler, crisper vape that favours delicate fruit and menthol notes, or at the upper end for a warmer vape that suits dessert and tobacco profiles. Going beyond the range tends to scorch the liquid and flatten the flavour.
• Wick condition: a fully saturated wick gives clean flavour. A half-dry wick gives a toasted, slightly bitter taste that many new vapers mistake for a bad e-liquid.

Expect a short break-in. For the first few puffs after priming, the cotton can taste slightly dry or papery. Let the head soak for the full recommended time, take a couple of gentle draws without firing, then vape at low power for a minute. After that the flavour settles and you can move to your normal wattage.

Over the life of the coil, flavour changes gradually. In the early days you get the sharpest taste. As residue builds on the heating element, particularly with sweetened liquids, the flavour dulls and a faint caramel or burnt note creeps in. That is not a fault. It is the signal that the head is reaching the end of its useful life, and a fresh coil from the pack restores the original clarity immediately.

If you rotate between different e-liquids, expect some flavour ghosting. A menthol liquid in a coil that previously ran a creamy dessert will taste slightly off for a while. Vapers who like to switch often usually dedicate a fresh coil to each flavour family, which is one practical advantage of a three-coil pack: you can keep one head for fruit and menthol, another for sweet dessert flavours, and avoid cross-contamination without paying for single coils each time.

Cleaning the tank between coil changes helps too. A quick rinse with warm water, thorough drying and a fresh head give you a clean slate, and the improvement in taste is usually obvious on the very first puff.

Design and build quality

Pre-made coil heads look simple, but a lot of small engineering sits inside a unit about the size of a fingertip. The GRM head follows the same layout as other Vaporesso replacement coils: a metal outer housing, a heating element inside it, a cotton wick threaded through openings in the housing, silicone seals around the base, and a contact point at the bottom that connects to the tank's coil seat.

What to check when the pack arrives:

• Sealed packaging: each pack should arrive intact. Many Vaporesso products carry an anti-counterfeit label or verification code, so check the packaging against Vaporesso's own guidance if the price looks too low to be true.
• Markings on the housing: the resistance and recommended wattage are usually printed or etched on the coil body. These are the figures to match to your device settings.
• Seals and o-rings: the silicone rings should sit flat, unpinched and free of tears. A damaged seal is the most common cause of leaking.
• Wick openings: you should see cotton visible through the intake holes. If the cotton looks scorched or unusually dry out of the packet, do not fit that head.

Build quality in a coil comes down to consistency. The clearest indicator is not how it looks but how repeatable it is: each of the three coils in the pack should have the same resistance reading on your device, the same fit in the seat, and the same flavour behaviour. A good manufacturer's quality control keeps those variations small. If one coil in a pack reads noticeably different from the others, return it to the seller, because it could signal a manufacturing fault or a counterfeit.

Fit is the other half of the design story. The head should push or screw into the Cascade tank's coil seat with a firm, definite seating, no wobble and no gap at the base. If a head will not seat fully, do not force it. Check that the old coil's seal has not stayed behind in the seat and that the new head is the right type for the tank. Forcing a coil damages the seal and the threads, and a damaged seat can ruin an otherwise good tank.

Finally, the pack itself is practical. Three heads in one pack mean you can store spares in a drawer or a kit bag and swap on the go. Keep them in their sealed sleeves until needed, away from heat and direct sunlight, because the cotton can absorb moisture and odours from the environment if left open. Stored sensibly, an unopened coil is fine for many months.

Power, battery and charging considerations

A coil has no battery of its own, but it has a large influence on how your device's battery behaves. The coil's resistance, measured in ohms, and the wattage you set determine how much current the battery has to supply. Lower resistance at higher power drains the battery quicker. Higher resistance at lower power makes it last much longer. Knowing this lets you predict your charging routine and avoid the all-too-common situation of a flat device at the wrong moment.

Here is the basic arithmetic. Voltage at the coil is the square root of power multiplied by resistance, and current is voltage divided by resistance. As a worked example, a 0.2 ohm coil run at 60W sees about 3.5V and roughly 17A at the coil. A 0.6 ohm coil at 25W sees about 3.9V and just over 6A. These are illustrative figures to show how resistance and wattage interact, not specifications of this exact product. Your pack's printed resistance and wattage window are the real numbers to follow.

To turn that into battery life, consider a 3000mAh cell at a nominal 3.7V, which stores about 11Wh. At 50W that is around 13 minutes of continuous firing in theory, and allowing for conversion losses, perhaps 11 to 12 minutes. If your average puff lasts three seconds, that works out at roughly 220 puffs per charge. Drop the power to 30W and the same cell gives you well over 350 puffs. This is a rough planning model rather than a promise, but it explains why people who run lower wattages charge less often.

Practical power and charging tips:

• Stay inside the wattage window: exceeding it shortens coil life, burns the cotton and wastes battery without improving flavour.
• Charge safely: use the cable supplied with your device or a reputable replacement, charge on a hard, non-flammable surface and never leave a charging battery unattended overnight.
• Use the right cells: if your device takes removable cells, use only cells rated for the continuous current your chosen resistance and wattage demand, and keep them in cases when not in use.
• Check resistance after fitting: most modern devices display the detected resistance when a new coil is installed. If the reading is wildly off from the printed value, re-seat the coil before firing.

New coils do not need charging, conditioning or a break-in beyond priming, so there is nothing extra to do on the electrical side after a swap. Fit, prime, set your wattage inside the range and vape. If your device offers a wattage-lock or coil-recognition feature, a fresh head will usually be detected automatically and the correct power suggested.

Coil and wick technology explained

To use any replacement coil well, it helps to understand what is inside it. The two broad families of pre-made heads are round-wire coils and mesh coils, and nearly every current Vaporesso replacement head is a cotton-wicked, pre-built unit in one of those families. The exact winding and wattage window of the GRM coil is printed on your pack, so use the principles below to interpret those markings rather than treating this as a replacement for the manufacturer's own specification.

Round-wire coils use a spiral of resistance wire around a cotton wick. They heat up quickly, are cheap to make and give a focused taste, but the contact area with the wick is small, which can create hot spots. Mesh coils use a flat sheet of woven metal rolled into a cylinder, with cotton lining the inside. The wide surface area heats the liquid more evenly, vapour production is higher for a given power, and flavour is usually fuller and smoother. Mesh has become the standard in mainstream refillable tanks for these reasons.

Key terms worth knowing:

• Resistance (ohms): lower values suit direct-lung inhaling at higher wattage; higher values suit mouth-to-lung inhaling at lower wattage.
• Wattage range: the window in which the coil heats efficiently and the wick can keep up. Operating below it gives weak vapour, and operating above it risks scorching.
• Wick material: most heads use organic cotton, which is absorbent, neutral in taste and quick to wick. Some heads use ceramic, which lasts a long time but can lag at high power.
• Intake holes: the openings in the coil housing that let e-liquid reach the wick. Their size sets how thick a liquid the coil can handle.

That last point matters. The size of the wicking holes determines which PG/VG ratio suits it. Thicker, high-VG liquids, such as 70VG blends, flow more slowly, so a coil with generous intake holes suits them. Thinner 50/50 liquids and nicotine salts flow easily and work with a wider range of coils. If you hear a gurgling sound or the tank leaks, you may be using a liquid thinner than the coil is designed for. If you get dry hits with a thick liquid, the opposite problem may apply.

If your device offers temperature control, the coil's wire material matters because stainless steel and nickel alloys are supported while some others are not. For standard wattage mode, which is how most people use replacement heads, the material only affects heat-up speed and flavour, and there is nothing you need to configure.

Whatever the construction, the maintenance routine is the same. Prime thoroughly, avoid dry firing, refill before the tank empties, and replace the head when taste degrades. Those four habits matter more to coil life than any single feature of the design.

Nicotine strength guidance for UK vapers

Choosing a nicotine strength is mainly about matching the e-liquid to the way your coil delivers vapour. In the UK, refillable nicotine e-liquid is capped at 20mg/ml (2%), bottles are limited to 10ml, and tanks to 2ml. The same 20mg/ml ceiling applies to pods and used to apply to disposables, although single-use vapes have been prohibited from sale in the UK since 1 June 2025, which has pushed many former disposable users toward refillable systems like this one. That is a sensible direction, as a refillable tank and a pack of coils is considerably cheaper and produces less waste than a drawer full of used disposables.

Because the GRM family comes in three variants, the right strength depends on which resistance you buy:

• Lower resistance, higher wattage (direct-lung style): these coils produce a lot of vapour per puff, so each draw delivers more nicotine. Most people choose 3mg to 6mg freebase nicotine in a 70VG blend, or around 6mg to 10mg if using a nicotine salt. Higher strengths feel harsh at this power.
• Mid resistance, moderate wattage: a flexible middle ground. Freebase at 6mg to 12mg or nicotine salt at 10mg to 20mg usually works, depending on your previous smoking level and how tight you want the draw.
• Higher resistance, lower wattage (mouth-to-lung style): less vapour per puff, so you generally need more nicotine to feel satisfied. Nicotine salt at 10mg to 20mg is the common choice, and freebase at 12mg to 18mg is used by those who prefer a stronger throat hit.

Freebase versus salt is the other consideration. Freebase nicotine gives a sharper throat hit and suits higher-VG, higher-power use. Nicotine salts are smoother at high strengths and absorb faster, which suits lower-power vaping. Either type will work in a replacement coil, but sweeter, thicker salt liquids tend to gunk coils up faster, so expect slightly shorter coil life if you vape salts heavily at high power.

A reasonable method is to start lower than you think you need and adjust. If you find yourself chain vaping or taking big, frequent puffs, the nicotine is probably too low. If you feel dizzy, nauseous or get a harsh throat hit, it is too high. Changing strength costs a bottle of e-liquid, so it is worth checking before you stock up.

Non-smokers and anyone who has never used nicotine should not start vaping. Vaping is intended for adult smokers looking for an alternative. If you are using a zero-nicotine liquid, the same coil guidance applies, though the 0mg liquids are often thinner and can leak more readily from certain heads, so choose a suitable VG ratio.

Who the GRM coil pack is for

The pack is designed for a specific kind of buyer, and it is worth being honest about who benefits and who would be better served elsewhere.

It is a good fit if you:

• Already own a Vaporesso Cascade tank and need spare heads without hunting for single replacements.
• Have moved away from disposables and want the cheaper, lower-waste option of a refillable setup with replaceable coils.
• Prefer a drop-in swap to building your own coils. No tools, no wicking, no resistance-checking beyond a glance at the screen.
• Vape daily and need predictable supply. A pack of three typically covers one to two months for a moderate user.
• Like to dedicate coils to flavour families and swap between menthol, fruit and dessert profiles without ghosting.

It is probably not the right purchase if you:

• Do not own the Cascade tank. This coil only fits its matching tank, and it will not work in a pod device, a different tank range or a disposable.
• Want a brand-new device. This is a consumable accessory, not a starter kit. Look at a full kit if you are new to refillable vaping.
• Vape very occasionally. If you take a handful of puffs a week, coils may dry out or age before you use them all, and a smaller purchase would suit better.
• Prefer building your own coils. Pre-made heads cost more per week than a rebuildable setup, so hobbyist builders will not find savings here.
• Are under 18 or have never used nicotine. Vaping products are for adult smokers only and cannot be sold to anyone under 18.

There is also a practical argument for the pack size. Buying three at once means you are rarely caught without a spare, and the per-coil price is usually lower than buying one at a time. If the Cascade tank is your daily driver, keeping one spare head in reserve is a habit that saves a lot of frustration, especially on a weekend or a holiday when high-street vape shops may be closed.

If you are unsure whether your tank is a Cascade tank, check the name printed on the tank body or the base, look at your original packaging, or compare the coil seat shape against the product photos. When in doubt, ask the shop before buying, since a wrong-fit pack cannot be used safely and the head is of little use once it has been opened and handled.

How to fit and prime the coil

Fitting a pre-made coil takes about two minutes, but the priming stage is where most mistakes happen. Follow these steps in order and you will avoid the majority of early problems.

• Step 1, power down. Switch the device off or remove the tank from the battery before you start. Never handle a coil with a live device.
• Step 2, empty and open the tank. Pour out any remaining e-liquid and disassemble the tank following the instructions that came with it. Keep track of o-rings and small parts.
• Step 3, remove the old coil. Unscrew or pull the spent head out of the seat. If the base seal stays in the seat, take it out so it does not stack with the new seal.
• Step 4, rinse and dry. Wash the tank body and base in warm water, shake out the drops and let everything dry fully. A damp tank dilutes e-liquid and affects the first few puffs.
• Step 5, fit the new head. Seat the GRM coil fully and firmly. Do not cross-thread or force it.
• Step 6, prime the wick. Drip a few drops of e-liquid directly onto the cotton through the intake holes, until it looks damp throughout but is not flooded. Squeeze lightly if needed to encourage the liquid to move in.
• Step 7, refill and wait. Fill the tank to a comfortable level, below the maximum line. Let it rest for five to ten minutes, longer for thick liquids, so the wick can fully soak.
• Step 8, take dry pulls. Inhale a few times without pressing the fire button to draw liquid through the head. This clears air pockets in the wick.
• Step 9, start low. Fire at the bottom of the recommended wattage range for a few puffs, then increase gradually to your preferred setting.

A few common mistakes are worth avoiding. Skipping the soak is the main cause of burnt first puffs, and a burnt cotton wick cannot be recovered. Overfilling the tank can drown the airflow and lead to leaking. Using fingers on the coil's contact point can leave oils that interfere with the connection, so handle the head by its sides and keep the base clean.

Once the coil is in and working, day-to-day care is simple. Refill before the tank runs near empty, keep the device upright when carrying it, and avoid leaving the tank in hot places such as a car dashboard, where thin liquid expands and leaks. Lock the device when it is in a bag so the fire button cannot be pressed accidentally, which can dry-burn a fresh coil in seconds.

When the time comes to retire a coil, remove it using the same sequence and put the new one in. Do not try to clean or reuse an old head. Residue is baked into the cotton and cleaning rarely restores the original flavour.

Troubleshooting common coil problems

Most coil complaints have simple causes. Work through this list before concluding that a head is faulty.

• Burnt or dry taste on the first puff: the wick was not primed long enough. Let the tank sit for ten minutes, take dry pulls, and start at low wattage. If the taste persists after several puffs, the cotton may have scorched and the head should be replaced.
• Dry hits mid-way through a tank: usually the e-liquid is too thick for the coil, the tank is nearly empty, or you are chain vaping faster than the wick can refill. Pause between puffs, lower the wattage, refill sooner or switch to a thinner liquid.
• Gurgling or spitting: hot liquid is popping on the coil. Common causes are too much liquid in the wick, power set too high, or liquid thinner than the coil prefers. Lower the wattage slightly and tilt the tank to clear excess.
• Leaking from the base or airflow: check that the coil is seated fully, that the seal is not torn and that the tank is not overfilled. Over-tightening can distort seals, so make it snug, not tight. Temperature swings and air pressure changes, such as on a flight, can also push liquid out.
• Weak flavour or low vapour: either the coil is nearing the end of its life, the wattage is below the recommended range, or the airflow is open too wide. Check the wattage first, then close the airflow a little.
• Device says no atomiser or check coil: clean the contacts at the base of the coil and the tank connector with a dry cotton bud, re-seat the head and make sure the tank is screwed fully onto the battery section.
• Resistance reading looks wrong: remove and re-seat the tank. If the reading is still far off from the figure printed on the coil, try the coil in another compatible device or contact the seller.
• Coil dies in days: look for causes such as overly sweet liquid, running above the wattage window, dry firing, or a tank that regularly runs low. Changing one of those habits usually fixes it.

If one coil from the pack behaves differently from the other two, and you have checked priming, wattage and seating, contact the shop with the batch code from the packaging. A genuine manufacturing fault is rare, but a damaged or defective head should be replaced rather than put up with.

As a last resort, when nothing else works, try a different e-liquid. Some formulations, especially heavily sweetened or very high-PG blends, interact badly with certain coils, and a simple change of juice removes the problem instantly. Keep a note of which liquids give you the longest coil life and stick with them.

Value for money, storage and recycling

The honest way to judge value in a coil pack is cost per week of use, not the sticker price. Take an illustrative example. If a pack costs £10, each coil costs £3.33. If each head lasts two weeks of normal use, you are spending around £1.67 a week on coils. Compared with a typical weekly spend on cigarettes, or even on a stream of disposables, that is a small running cost. The figures are illustrative only, so check the current price on the listing and divide by your own coil life to see your personal number.

Things that improve value:

• Buying the three-pack instead of singles: the per-coil price is normally lower, and you avoid last-minute purchases.
• Priming properly and refilling early: this alone can add days to every coil.
• Staying within the wattage range: higher power burns through heads and e-liquid quickly for marginal gain.
• Choosing less sweetened liquids: sweeteners caramelise on the coil and reduce life, so juices with fewer additives often give longer-lasting heads.
• Buying from a reputable UK seller: counterfeit coils are a false economy, as they perform inconsistently and can be unsafe.

Storage is straightforward. Keep unused coils in their sealed packaging, in a cool, dry place out of direct sunlight, and away from strong smells that the cotton might absorb. Do not leave them in a hot car or a damp bathroom. Keep all vaping products and e-liquids out of reach of children and pets.

When a coil reaches the end of its life, recycle responsibly. Used coils contain small amounts of metal and residual e-liquid, and the batteries in your device are classed as hazardous waste. Never put batteries in household bins or recycling collections, because damaged lithium cells can start fires in bin lorries and waste plants. Drop spent coils and any old vaping equipment at a household waste recycling centre or a retailer take-back point, and place batteries in the dedicated battery bins found at most supermarkets and council sites. Many UK vape shops will accept used vaping hardware for recycling, so ask when you buy. Wipe off excess e-liquid and keep the waste in a sealed bag to avoid spills.

Treating coils as a managed, recyclable consumable is part of what makes refillable vaping better for the environment than disposable devices. The more you extend each head and the more carefully you recycle it, the smaller your footprint and the lower your running costs.

How it compares with other coil ranges

The GRM coil is one option among several, and an honest comparison starts with a reminder that coils are specific to their tank. You cannot swap the GRM head into another brand's tank, so the real choice is usually made when you pick the tank, not when you pick the coil. If you already own the Cascade tank, the question is whether to buy this pack, buy a different Vaporesso-approved head for the same tank, or look at a third-party option.

Here is how it compares in broad terms:

• Against other Vaporesso coil families (GT, GTX and NRG style heads): they are made for different tanks, so they are not alternatives for the Cascade, but they show a similar approach: pre-built, cotton-wicked, clearly marked with resistance and wattage. If you later upgrade to another Vaporesso tank, expect a similar fitting routine.
• Against SMOK and Uwell replacement heads: both brands have large, well-stocked ranges, and their mesh heads are widely available in UK shops. Availability and price are comparable, and the differences come down to which tank you own rather than which brand makes a better coil.
• Against Geekvape, Freemax and Voopoo heads: these makers also sell mesh and pod-style heads with solid reputations. Some offer slightly longer quoted lifespans or different flavour tuning, but all are tied to their own tanks and devices.
• Against unbranded or third-party compatible coils: cheaper, sometimes useful, but quality varies. Some compatible heads perform fine; others have inconsistent resistance, weak wicking or poor seals. Because the saving is small and the risk of a bad batch is real, we recommend genuine heads for tanks you value.
• Against rebuildable coils: building your own is cheaper per week and can be tuned precisely, but it needs skill, tools and time, as well as a rebuildable deck. For most vapers who want a quick swap, pre-made heads are the practical choice.

Where the GRM pack does well is convenience and fit. It is made for the tank, so seals, airflow and wicking are matched, and you can expect it to work as intended out of the packet. Where it is less compelling is flexibility. You are tied to this tank, and long-term running costs are higher than a rebuildable setup. Anyone considering switching ecosystems should weigh those points before buying a stack of spares.

Our advice is simple. If you own the Cascade tank and are happy with how it vapes, buy genuine heads, keep a spare in reserve and spend your effort on good e-liquid and good habits instead of chasing marginal differences between coil brands. If you are not happy with the tank, a different tank is a better fix than a different coil. Either way, check the listing details, confirm the variant you want and ask the shop if you are unsure.