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What Are AuNic Nicotine Shots?

AuNic is a South African nicotine additive brand, manufactured locally and widely stocked across the country's vape retailers. Their shots are small bottles of concentrated, unflavoured nicotine liquid designed to be mixed into shortfills, longfills, or DIY base liquid. They come in two chemical forms — freebase and salt — and multiple sizes, strengths, and carrier bases (VG or PG).

The concept is simple: you buy a nicotine-free e-liquid, add the appropriate AuNic shot, shake, and vape. But the chemical form you choose — freebase or salt — fundamentally changes how the nicotine behaves in your body, how it feels in your throat, and which device can handle it safely.

The Fundamental Difference — Chemistry in One Paragraph

Freebase nicotine is the pure, alkaline form of nicotine. It has been used in cigarettes and early e-liquids for decades. Because it is alkaline, it becomes increasingly harsh on the throat as the strength rises — a 12mg freebase liquid has a noticeable bite, and 18mg can feel abrasive. It absorbs into the bloodstream relatively slowly, delivering a gradual nicotine hit over several minutes.

Salt nicotine is nicotine bound to an acid — typically benzoic acid — which lowers the pH and creates a more stable compound. This chemical change does two critical things: it makes high-strength nicotine feel smooth and comfortable even at 50mg, and it allows the nicotine to cross into your bloodstream faster — delivering a hit in 6–7 seconds, comparable to a cigarette.

AuNic Freebase vs Salt — Side by Side

AuNic Freebase Shots — The Full Breakdown

AuNic freebase shots are the traditional choice. They use pure nicotine in its alkaline form, suspended in either a VG or PG carrier base. The result is a nicotine additive that delivers a pronounced throat hit — the kind that many ex-smokers actively seek because it mimics the sensation of drawing on a cigarette.

The freebase shot is the right choice when you are vaping at higher wattages and producing larger clouds. At 3mg–6mg, freebase delivers enough nicotine to satisfy without overwhelming, while the sharper throat hit provides sensory feedback that many vapers find satisfying. The trade-off is that freebase becomes increasingly harsh as strength rises — a 12mg freebase liquid in a sub-ohm tank is uncomfortable for most vapers, and 18mg is genuinely unpleasant.

When Freebase Is the Wrong Choice

If you are using a low-wattage pod system and need high nicotine strength to satisfy cravings, freebase is the wrong tool. The throat hit at 18mg+ in a tight MTL draw is abrasive, and the slower absorption means you will vape more frequently to achieve the same satisfaction. For pod vapers, salt is the better option every time.

AuNic Salt Shots — The Full Breakdown

AuNic salt shots use nicotine bound to benzoic acid, creating a compound that remains smooth even at concentrations that would make freebase unvapeable. This is the chemistry behind every disposable vape and prefilled pod on the market — it is what allows a 50mg liquid to feel comfortable in a tight MTL draw.

The salt shot is the right choice when you need high nicotine strength in a low-power device. The smooth delivery means you can vape 25mg or 50mg without coughing, and the rapid absorption means you reach satisfaction faster — often with fewer puffs than freebase at equivalent perceived intensity. For disposable converts who are used to 50mg prefilled pods, an AuNic 100mg salt shot mixed 1:1 with a longfill concentrate replicates that experience exactly.

When Salt Is the Wrong Choice

If you are using a sub-ohm tank at 30W+ and want large clouds with bold flavour, high-strength salt is dangerous. The smoothness tricks you into inhaling far more nicotine than you realise, which can cause dizziness, nausea, and headaches. Additionally, salt nicotine can slightly mute complex flavour profiles compared to freebase. For sub-ohm vaping at 3mg–6mg, freebase is the correct choice.

Device Matching — The Critical Rule

The device you own should dictate which AuNic shot you buy. This is not a preference issue — it is a safety and satisfaction issue.

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  Pod systems and MTL devices (10–25W) — Use AuNic Salt

  Devices like the Vaporesso XROS, Uwell Caliburn, OXVA XLIM, and SMOK Novo are designed for higher nicotine strengths at low wattage. The tight airflow and small coils produce less vapour per puff, which means you need more nicotine per millilitre to feel satisfied. AuNic salt shots at 20mg–50mg final strength are the perfect match. The smooth delivery prevents throat irritation, and the fast absorption satisfies cravings quickly.
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  Sub-ohm tanks and DTL devices (25W+) — Use AuNic Freebase

  Devices like the GeekVape Zeus, SMOK TFV, and Vaporesso NRG produce large vapour volumes at high wattage. Each puff delivers significantly more liquid than a pod system, which means lower nicotine strength is needed — and safer. AuNic freebase shots at 3mg–6mg final strength provide the throat hit and flavour intensity that sub-ohm vapers want, without the risk of nicotine overdose.
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  Never use high-strength salt in sub-ohm devices

  A 25mg salt liquid in a 40W sub-ohm tank is not just uncomfortable — it is potentially harmful. The combination of high nicotine, smooth delivery, and large vapour volume can deliver a toxic dose of nicotine in just a few puffs. The rule is simple: salt for pods, freebase for sub-ohm. No exceptions.

Strength Guide — What to Buy Based on Your Habits

Your smoking history and device type should guide your strength selection. Here is the practical framework for South African vapers:

Flavour — Does the Shot Type Affect Taste?

Yes, but subtly. Freebase nicotine has a more neutral impact on flavour — it allows the full sweetness, complexity, and top notes of an e-liquid to come through. This is why freebase remains the choice of flavour enthusiasts and cloud chasers: the nicotine does not compete with the profile.

Salt nicotine, by contrast, can slightly mute flavour at very high strengths. The benzoic acid that makes salt smooth also interacts with certain flavour compounds, particularly sweet and citrus notes, dulling their edge slightly. At 20mg–25mg, this effect is minimal. At 50mg, some vapers notice that dessert and fruit flavours taste less vibrant than they would in a freebase liquid. For tobacco and menthol profiles, the difference is negligible.

The practical takeaway: if flavour is your absolute priority and you are vaping at low strength (3mg–6mg), freebase wins. If you need high strength for satisfaction and accept a minor flavour trade-off, salt is still the right choice.

Cost — Is One Cheaper Than the Other?

AuNic freebase and salt shots are priced similarly in South Africa, with freebase typically costing slightly less per millilitre. However, the real cost difference lies in how much liquid you consume.

Because salt nicotine satisfies cravings faster, most salt vapers consume less liquid per day than freebase vapers at equivalent satisfaction levels. A 30ml bottle of 25mg salt nic can last a moderate pod vaper 7–10 days, while a 100ml bottle of 3mg freebase might last a sub-ohm vaper the same amount of time — but the sub-ohm vaper is buying significantly more base liquid and using more shots to achieve satisfaction. Over time, salt vapers often spend less despite slightly higher per-millilitre shot costs.

What South African Vapers Say

The freebase vs salt debate is one of the most discussed topics in South African vaping communities. Here is the consistent feedback pattern:

Frequently Asked Questions