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E-liquid Rainbow Key 10 ml - Secret's Keys

Secret's Lab
5 6 reviews
In stock
€1.71
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Nicotine 12 mg

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+ €3.90 only
  • Free returns, free returns if you change your mind 
  • Extended withdrawal period, you have 30 days to decide
  • Priority customer service, your email & chat requests handled as a priority
  • 3-month equipment warranty, your equipment replaced with a new one (excluding puffs and puff cartridges)
  • Opened equipment warranty, return of opened but unused equipment
e-liquid Rainbow Key 10 ml - Secret's Keys cheap
E-liquid Rainbow Key 10 ml - Secret's Keys
5 6 reviews
Delivered tomorrow · Sat 17/10
*Service available in mainland France only.
Apple Pay, Google Pay, PayPal · 2×, 3×, 4× from €50

If you don't smoke, don't vape. Precautions for use in the legal notices.

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Key points

Nicotine 3 mg, 12 mg
Propylene Glycol 50%
Vegetable Glycerin 50%
Capacity 10 ml
Origin France
Brand Secret's Keys

Flavour: mango, pineapple and apricot

Composition: 50% Propylene Glycol and 50% Vegetable Glycerine (50/50 PG/VG)

Nicotine level: 3 mg and 12 mg

Packaging: 10 ml bottle 

Made in France by Secret's Lab

French flag

The Le Vapoteur Discount guide to choosing your 10 ml e-liquid

Essential to any e-cigarette, e-liquid is the heart of your vaping experience. The 10 ml format is currently the only one authorised to contain nicotine under European regulations. Compact, practical and easy to carry, it allows you to try a flavour, adjust your nicotine level or vape daily with ease.
It is also the ideal format to support a reduction or cessation of tobacco use, at your own pace.

What nicotine level should you choose for your e-liquid?

The right nicotine level depends above all on your smoker profile and your habits. The aim is to satisfy the craving without discomfort, while maintaining an enjoyable vape.

  • Light smoker (fewer than 5 cigarettes per day)
    0 to 6 mg/ml
    A mild dosage, sufficient to curb the urge to smoke while providing a light throat sensation.

  • Moderate smoker (5 to 15 cigarettes per day)
    6 to 12 mg/ml
    An ideal balance to replicate the sensation of a traditional cigarette, without frustration.

  • Heavy smoker (more than 15 cigarettes per day)
    12 to 18 mg/ml
    A higher level, designed to meet a significant nicotine need, particularly at the start of quitting.

  • Heavy smoker (more than 20 cigarettes per day)
    18 to 20 mg/ml
    The maximum authorised dosage, often associated with nicotine salts, for faster absorption and a smoother sensation.

These indications are guidelines only: every vaper is different. Your personal experience, throat hit and equipment used may lead you to adjust your dosage.

Choosing the right equipment for a balanced PG/VG e-liquid (50/50)

The 50/50 PG/VG ratio is one of the most versatile on the market. It offers an excellent compromise between flavour delivery, moderate throat hit and reasonable vapour production. It is a reassuring choice, both for beginner vapers and for those looking for a simple and effective everyday vape.

E-cigarette

Thanks to its balanced viscosity, a 50/50 e-liquid is compatible with the majority of versatile e-cigarettes, including:

Pods

This ratio also works very well with modern pods, appreciated for their simplicity and discretion:

Clearomisers

For a stable and hassle-free vape, opt for versatile clearomisers capable of handling different inhalation styles:

Coils

The coil resistance should ideally be between 0.4 ohm and 1.2 ohm, for a versatile, economical and enjoyable vape.

Drip tip

A drip tip standard 510 is generally recommended. Some vapers also use this ratio with more airy 810 drip tips without experiencing any leaks, depending on the equipment used.

Power setting

An e-liquid in 50/50 PG/VG adapts to a wide power range, generally between 10 and 40 watts, depending on the installed coil and the type of draw desired.

Looking after your e-cigarette

Regular maintenance is essential to ensure a healthy, flavourful and long-lasting vape:

  • Clean the clearomiser and drip tip regularly to avoid the build-up of residue;
  • Replace the coil as soon as flavours deteriorate or vapour production decreases (on average every 2 to 3 weeks) and take the opportunity to fully clean your clearomiser;
  • Avoid leaving a filled tank with the same e-liquid for more than 5 days without use, to limit the risk of leaks or flavour degradation.

Usage precautions

  • If you do not smoke, do not vape;
  • Product containing nicotine: prohibited for minors, not recommended for pregnant women or people suffering from cardiovascular disorders or high blood pressure;
  • In case of allergies, check for the possible presence of allergens (limonene, tree nuts, etc.) indicated on the label;
  • In case of skin contact, rinse thoroughly with water and soap;
  • Store your e-liquids in a dry place, away from light and temperature fluctuations, out of reach of children and animals.

Think about recycling: empty bottles should be disposed of through appropriate channels.

Vapoteur Discount e-liquids

For years, Le Vapoteur Discount has been supporting vapers in their search for e-liquids at the right price. With a catalogue of more than 4,600 e-liquids, we select only products from the biggest vaping brands. Every product we offer meets strict criteria for quality, traceability and compliance, and is subject to rigorous checks and in-house testing.

Drawing on its expertise, Le Vapoteur Discount is also a creator of its own French e-liquids, available in 10 ml and 50 ml formats, always at the lowest price.
Discover our iconic range Le Vapoteur Discount, with classic and single-flavour profiles. Red berry lovers will enjoy The Raid, while Fruity Fresh is perfect for fresh fruit enthusiasts. Don't miss Sunset Hour or Goody, the range for sweet treat lovers!

62 Items

Features

Propylene Glycol 50%
Vegetable Glycerin 50%
Capacity 10 ml
Origin France
Brand Secret's Keys
Flavor type Fruity
Product type E-liquid
Collection Secret's Keys

Delivery times and costs, returns, right of withdrawal and warranty are detailed on our dedicated page.

See delivery and returns

Customer reviews

Verified reviews · Skeepers
5 out of 5 · 6 reviews
  1. Hasni Z.

    Top

  2. gregoire F.

    A

  3. a. A.

    Très bon goût

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FAQ

An e-liquid (or electronic cigarette liquid) is the product that generates vapour when heated by the coil of an electronic cigarette. Unlike traditional cigarettes, there is no combustion. The e-liquid is composed of a base (propylene glycol and vegetable glycerine), flavourings, and optionally nicotine. It determines the taste, throat hit, cloud production, and overall vaping experience.

An e-liquid generally contains four elements:
  • propylene glycol (PG), which carries the flavours, enhances the throat hit and provides a sensation close to that of a cigarette;
  • vegetable glycerin (VG), responsible for the vapour and the density of the cloud;
  • the flavourings, which give the taste (fruit, mint, classic tobacco, gourmet, ice…);
  • nicotine, optional, which helps manage cravings in vapers who are quitting.
Some formulas also use alternative plant-based bases (Végétol) for extra smoothness.

An e-liquid with nicotine is intended for vapers who wish to replace traditional cigarettes. Nicotine acts on the feeling of satisfaction and limits cravings. E-liquids without nicotine are used either at the end of a quit-smoking journey, or purely for the pleasure of vaping, even though it is not recommended to vape if you are not a smoker. Choosing the right nicotine level is essential to avoid a bad experience (throat irritation or cravings). The nicotine dosage depends on your previous cigarette consumption. A light smoker will not have the same needs as a heavy smoker. A level that is too low can lead to frustration and relapse, whilst a level that is too high can cause throat discomfort. The goal is to find a balance between throat hit, sensation, and vaping comfort, adjusting gradually as needed. We generally recommend a low dosage of 0, 3, or 6 mg/ml of nicotine for light smokers or occasional smokers (fewer than 7 cigarettes per day), and a high dosage of 20 mg/ml of nicotine salt for heavy smokers (1 pack of cigarettes or more). However, this dosage can be adjusted depending on your e-cigarette and your vaping style.

Nicotine salt is a more stable form of nicotine that is smoother to inhale. It provides fast absorption, with a less harsh throat hit, even at high levels. Nicotine salt e-liquids are particularly suited to beginner vapers, former heavy smokers, and low-wattage MTL kits. There are different nicotine salt strengths. The most well-known and effective being 20 mg/ml, highly suitable for heavy smokers. However, a 10 mg/ml strength can work very well for a regular or occasional smoker.

A nicotine booster is a concentrated nicotine bottle, designed to be added to a large-format e-liquid. It allows you to adjust the final nicotine level depending on the quantity added. Flexible and cost-effective, this solution allows you to boost your large-format e-liquid to 3 or 6 mg/ml of nicotine. For a 50 ml e-liquid, adding one nicotine booster will give you 3 mg/ml, while two nicotine boosters will transform your e-liquid into 6 mg/ml.

The propylene glycol / vegetable glycerin ratio strongly influences the vape.
  • An e-liquid rich in propylene glycol or PG (70/30, 80/20) enhances the throat hit, flavour accuracy and a discreet vape. The e-liquid will be thin and compatible only with MTL devices with a tight draw to avoid leaks.
  • An e-liquid rich in vegetable glycerin or VG (30/70) produces more vapour and clouds, with a smoother, sweeter sensation. This thicker e-liquid will be compatible with sub-ohm or shisha-type e-cigarettes, producing large vapour clouds at high wattage.
The choice therefore depends on the power and compatibility with your e-cigarette. If in doubt, the most common ratio remains 50/50 PG/VG. Balanced, it allows versatile use on MTL, RDL and light DTL e-cigarette models (between approximately 15 and 40 watts).

E-liquids with a vegetable base or Végétol replace traditional propylene glycol. They are often gentler on the throat, better tolerated by certain vapers who are sensitive to PG, and offer a smoother vape without compromising on flavour. However, they should be used in MTL with a low wattage (minimum 30 watts) to avoid the risk of leaks and preserve the quality of the product.

Yes, CBD e-liquids are designed for vaping and generally do not contain nicotine. They offer a different sensation, focused on relaxation, without any addictive effect. They should be used at moderate wattage to preserve the quality of the product. A mouth-to-lung (MTL) e-cigarette with a tight draw is recommended.

E-liquids are considered a much healthier alternative to smoked tobacco. They are formulated from ingredients certified as safe for health, unlike the 7,000 harmful substances found in traditional cigarettes. Nevertheless, to choose a safe e-liquid, a few precautions should be taken, such as purchasing your e-liquid from a recognised retailer like Le Vapoteur Discount or checking the composition and origin by favouring reputable and regulated brands.

An e-liquid manufactured in France meets strict requirements and European directives regarding traceability, control and safety. As a guarantee of quality and transparency for the consumer, French and European brands generally have their own laboratory for developing their e-liquid formula and are required to have this formulation studied by an independent laboratory before placing it on the market. All these steps ensure that e-liquids are safe for vapers. These French and European quality standards prohibit undesirable substances and provide a more secure framework for vaping.

To keep your e-liquid as long as possible and preserve its quality, taste and colour, you should keep it in its original bottle and ideally away from light, heat and air. Despite these precautions, it can happen that the e-liquid takes on a slightly brown tint. Safe and fit for consumption, this colour is due to the oxidation of nicotine and can also depend on the flavouring used in the e-liquid. It is generally advised not to keep the same e-liquid for more than 5 days in your clearomiser or pod cartridge if you are not using it, to avoid leaks and excessive oxidation.

The DLUO (Date Limite d'Utilisation Optimale) or BBD (Best Before Date) is an indicative date. Once the e-liquid's date has passed, it may lose its taste qualities and appearance (colour, fluidity). An e-liquid straight from the factory will have a BBD of approximately 2 years. Even past the BBD, the e-liquid remains suitable for vaping and will not be harmful to health.
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