GTX One coils | which one for a fruit e-liquid

A tart fruit that fades after two fills, a strawberry that turns to caramel, an iced watermelon where only the cold comes through. On a simple mod like the Vaporesso kit, these shifts often owe less to the recipe than to the part heating it. GTX One coils are usually picked by their resistance in ohms, rarely by the liquid they will carry. We did the opposite, starting from the fruit profile and working back to the setting on the mod.

Which GTX One coils suit a fruit e-liquid?

For most fruit flavours, the 1.2 ohm mesh coil supplied in the box is the most logical starting point among GTX One coils, with a tight draw and low wattage. The 0.8 ohm mesh, already fitted in the tank out of the box, works better for ripe, sweet fruit vaped with a slightly looser draw. These are the two coils Vaporesso ships with the kit, and the rest of the range is open to debate.

The mod tops out at 40W, and the 0.15, 0.2 and 0.3 ohm GTX coils are not meant for its tank, the GTX Tank 18. The 0.6 ohm is a special case. Two retailer listings accept it on the GTX One, a third rules it out, and the maker does not include it in the box. With the listings in disagreement, we do not suggest it for this kit.

Coil	In the box	Maker’s range	Retailers’ range	Draw	Our fruit pointer
1.2 ohm mesh	Yes, spare	7 to 11W	8 to 12W	Tight	Tart fruit, citrus, nic salts
0.8 ohm mesh	Yes, pre-fitted	12 to 20W	12 to 16W	Tight to slightly open	Ripe fruit, red berries
0.6 ohm mesh	No	Not stated	20 to 26W	Restricted direct	Compatibility disputed
0.15 to 0.3 ohm	No	Not stated	32 to 75W	Direct	Not for the GTX Tank 18

Tart, ripe or iced, what the fruit profile asks of the coil

A fruit e-liquid does not respond to heat in the same way depending on whether it leans on tartness, sweetness or coolness. The three families we use to read recipes apply here too, each with the coil and wattage that make the most sense on this kit.

Tart fruit and citrus

Lemon, blackcurrant, green apple or grapefruit rely on bright notes that flatten quickly once the vapour turns warm. A 1.2 ohm coil set towards the bottom of its range keeps a tight draw and lukewarm vapour, which is generally where this kind of recipe stays clearest.

These liquids are also often lightly sweetened, which spares the cotton. It is the profile where the spare coil in the box does its job best.

Ripe and sweet fruit

Strawberry, peach, mango or ripe red berries gain body with a little more heat and vapour. The 0.8 ohm coil, fitted from the factory, suits them better, set towards the top of the range the listings share, around 14 to 16W.

The same strawberry can be ripe, wild, tart or iced depending on the recipe, as our guide to strawberry e liquid profiles shows. A ripe, sweet strawberry copes with the 0.8 ohm, while a tart one holds up better on the 1.2 ohm.

Iced fruit

A cooling agent tends to take over a recipe as soon as the wattage climbs. On the 0.8 ohm as on the 1.2 ohm, staying at the bottom of the range keeps the fruit up front and the cold in the finish.

That goes for recipes that close on menthol, like the Red Astaire shortfill read note by note, where eucalyptus, aniseed and menthol arrive after the red berries and black grape.

Setting the wattage on the GTX One, ranges that vary by listing

The maker’s documentation gives the 0.8 ohm mesh as 12 to 20W and the 1.2 ohm mesh as 7 to 11W. Several retailer listings and a 2025 review of the GTX One Pro give 12 to 16W for the first and 8 to 12W for the second instead. On the 0.8 ohm, the upper limit therefore shifts by 4W from one source to another.

For a fruit flavour, the overlap between the two sets of figures is the safest place to be, 12 to 16W on the 0.8 ohm and 8 to 11W on the 1.2 ohm. Above that, the sweet note often overtakes the fruit, and the cotton dries out faster between puffs.

The system menu opens when the plus and minus buttons are pressed together. It offers four settings, VV, VW, Smart VW and Default, and VW is the one where the wattage is set by hand to stay inside that overlap.

Ratio and nicotine for a fruit e-liquid by coil

On the 1.2 ohm version of the GTX One coils, with a tight draw, a 50/50 fruit liquid remains the most common base, and nic salts fit in well. A base heavy in vegetable glycerine moves less easily through a wick built for mouth-to-lung vaping and can give dry puffs.

The 0.8 ohm generally takes a slightly thicker liquid, up to 40/60. Nicotine-free fruit shortfills, often richer in glycerine, also work here once a nicotine shot has been added.

In the UK, nicotine e-liquid is capped at 20 mg/ml and sold in bottles of 10 ml at most. Strength is read on the bottle and does not depend on the coil, but a higher strength is usually vaped with a tight draw, which points back to the 1.2 ohm.

Sweetener and the lifespan of GTX One coils

Sweet fruit liquids are among those that wear a wick out fastest. Sweeteners such as sucralose do not fully evaporate when heated, and their residue leaves a brown crust on the cotton that gradually smothers the flavour.

Lifespan figures vary widely. One retailer quotes 15 to 20 fills for a GTX coil, a review of the GTX One Pro speaks of more than two weeks, and neither source says which liquid was used. A very sweet recipe generally shortens those figures.

Three signs tell you it is time to change. The fruit fades behind a caramel or burnt note, the vapour weakens at the same setting, and the liquid in the tank darkens faster than usual. With a sweet fruit flavour, it is better to change early than to wait for an outright burnt taste.

Priming GTX One coils before a first fruit flavour

The coil is changed from the bottom of the GTX Tank 18. Unscrew the threaded base, pull out the old coil, place a few drops of liquid in the centre of the new one, push it in and screw the base back on.

The same maker’s document then asks you to wait 5 minutes after filling, so the liquid can fully soak the cotton. That pause matters more with a thick or glycerine-rich fruit liquid, which travels through the wick more slowly than a thinner base.

Filling is done from the top once the cap is unscrewed, and the air ring at the base of the tank sets how open the draw is. The kit comes in a TPD version with a 2 ml GTX Tank 18 instead of 3 ml, the version sold in the UK, where refillable tanks are limited to 2 ml.

FAQ

Five questions that come up about the kit and its coils, beyond the choice of resistance.

What are the common problems with the Vaporesso GTX One?

The mod shows a message when it refuses to fire. CHECK ATOMIZER means no tank is detected, SHORT ATOMIZER a short circuit, LOW ATOMIZER a resistance that is too low, and OVER TIME a puff longer than 10 seconds. A loosely screwed base or a coil not pushed fully home often explains the first two.

Can you fit a 0.3 ohm GTX coil on the GTX One?

No. The 0.15, 0.2 and 0.3 ohm coils are not meant for the GTX Tank 18, and their ranges, from 32 to 75W, mostly sit above the 40W ceiling of the mod. They are designed for more powerful direct-lung devices.

Should you change coils when switching from one fruit flavour to another?

The cotton holds on to some of the previous flavour. Between two similar fruits, emptying the tank and taking a few puffs of the new liquid is usually enough. After an aniseed or strongly mentholated recipe, a fresh coil does more justice to a delicate fruit.

Which vapes use GTX coils?

The GTX platform runs across several Vaporesso kits, including the GTX One Pro with its XTank T, the GTX Go 40 and the Luxe PM40 pod. Each device accepts only some of the values, so check the compatibility list on the coil listing before buying.

Why are the coils in the kit mesh coils?

A mesh coil heats through a metal grid rather than a wound wire. The surface touching the cotton is larger and the heating more even, which helps a steady release of flavour, a real asset on fruit recipes with fine notes.

GTX One coils, start from the fruit to set the mod

A 1.2 ohm for tart fruit and nic salts, a 0.8 ohm for ripe fruit, a wattage kept inside the range the listings agree on and five minutes of patience before the first puff on a new coil. With these four pointers, GTX One coils bring out the fruit instead of cooking it.

The same logic applies to any tight-draw kit, where the choice of coil matters as much as the choice of recipe. Reading a fruit e-liquid also means knowing which coil it will run through.

More blends to unpick

This guide is written for adults. Vaping products can contain nicotine, which is a highly addictive substance. Vaping products are not for sale to anyone under 18 in the UK. Alchimie Fruitée reads recipes, sells nothing, and nothing here is a recommendation to buy.