What Happens If I Add Too Much Nic Shot to My Nixer
What happens
if I add too much
nic shot to my Nixer?
A practical UK guide for Nixer longfill users: what actually goes wrong when you over-dose the bottle with extra nicotine shots, the warning signs to watch for plus how to rescue an over-strength mix before you pour it away.
If you add more than the three 10ml bottles supplied in your Nixer Mixer Kit, three things happen at the same time: the bottle risks overflowing past its 60ml capacity, the nicotine concentration can push above the UK legal ceiling of 20mg/ml plus the flavour balance collapses into a harsh scratchy vape. At best you waste an expensive bottle. At worst you give yourself nicotine sickness. Below we cover the warning signs, the fix plus how to avoid the mistake next time.
The three numbers
that hold the whole mix together
The Nixer system is not a guess. Every bottle plus every Mixer Kit is pre-calculated against the UK TPD limits. Add anything extra and one of these numbers breaks.
Bottle capacity
30ml of concentrate plus 30ml from the Mixer Kit. There is no physical space for a fourth shot.
Mixer bottles
Every Nixer Mixer Kit ships with exactly three 10ml bottles. That is the complete system.
UK legal ceiling
The maximum nicotine strength for any e-liquid on the UK market under the TPD 2016 rules.
A Nixer is engineered around one specific mix. Adding more breaks the design.
Every Nixer longfill bottle ships as a 60ml bottle pre-filled with 30ml of flavour concentrate. The remaining 30ml is left empty on purpose. That empty space is for one Nixer Mixer Kit which contains three 10ml bottles of either zero-nicotine base, 18mg freebase nic shots or 10mg nicotine salt shots depending on the strength you picked. Add all three and you have a ready-to-vape 60ml bottle. Add a fourth shot from elsewhere and you have broken three things at once.
The first break is physical capacity. A 60ml bottle cannot hold 70ml of liquid. You either overflow it on the counter or you have to decant some of the mixed liquid into another bottle which changes the ratio before you have even finished.
The second break is UK legal compliance. A Nixer 9mg Freebase kit already delivers the maximum strength the system is designed for. A fourth 18mg shot added on top pushes the finished liquid above 20mg/ml which is the ceiling set by the Tobacco and Related Products Regulations 2016. That over-strength liquid is no longer compliant with UK law and no registered UK retailer would sell it.
The third break is flavour balance. Nixer concentrates are formulated at a precise ratio to the Mixer Kit base. Extra shots dilute the flavour profile with more PG or VG which makes the juice taste thin, muddy and harsh all at once. You will notice it on the first inhale.
So what does that actually feel like when you vape it?
Vaping a mix that is too strong tends to produce a very recognisable cluster of symptoms. The NHS and the Office for Health Improvement and Disparities both warn about nicotine sickness. If any of these appear while you are vaping a freshly mixed bottle, stop vaping that bottle immediately:
- A sharp burning throat hit. Not a normal throat scratch. A genuine pain that makes you cough.
- Dizziness or lightheadedness. The first sign that nicotine absorption has outpaced what your body is used to.
- Nausea plus headache. A dull rolling headache often paired with a queasy stomach.
- Elevated heart rate. Your pulse feels faster than normal even when you are sitting still.
- Flavour that tastes “wrong”. Harsh, chemical, peppery or plain unpleasant instead of the flavour on the bottle.
Four symptoms to stop vaping for
Dizziness
A drifting lightheaded feeling within minutes of the first inhale.
Racing heart
Pulse feels faster than normal even when you are resting.
Nausea
Rolling queasiness in the stomach often triggered on the second puff.
Headache
A dull pressure behind the eyes that builds up over fifteen to thirty minutes.
Nicotine strength vs
the UK 20mg legal cap
A visual look at where each mix ends up. The black line on each bar is the 20mg/ml UK legal ceiling. Everything in red sits above it.
Pick a pre-calibrated
Nixer longfill
Every Nixer longfill plus Mixer Kit pairing is engineered to deliver a legal, balanced UK-compliant e-liquid with no extra shots required. Choose your flavour, pick your strength plus let the system handle the maths.
If this has put you off freelancing with extra nic shots entirely, that is the right reaction. The whole point of the Nixer system is that you never have to. Browse the full Nixer longfill collection where every flavour is listed alongside its compatible Mixer Kits so the strength you pick on the product page is the strength that ends up in the bottle.
How to fix a Nixer longfill
that is too strong
If you realise mid-shake that you have put in one shot too many, you have options. Work through this in order.
Stop vaping the bottle
Do not test-puff a mix you suspect is too strong. Seal the bottle, set it aside plus take a break.
Decant and dilute
Pour half of the mixed liquid into a clean 60ml bottle. Top each half up with zero-nicotine 50/50 base to roughly halve the strength.
Bin it if in doubt
If you cannot measure accurately or the bottle overflowed, dispose of the liquid. A £10 bottle is not worth nicotine sickness.
Four checks before
you crack a new bottle
Read the kit label
The strength printed on the box is the final strength of the full 60ml bottle, not the strength of each shot inside.
Use only three bottles
Every Nixer Mixer Kit contains exactly three 10ml bottles. Three go in. No fourth bottle from anywhere else.
Shake before you taste
An unmixed bottle tastes harsh because the nicotine has not dispersed. Give it one full minute of shaking before judging.
Step down if unsure
A 6mg kit is always safer than a 9mg kit if you are new to longfills. Stronger is not better. Comfort is better.
Correct Nixer mix vs
over-dosed mix
A clean reference for what a properly mixed Nixer should look and taste like versus the warning signs that you have added too much.
What a good longfill looks like
- ✓Three 10ml Mixer Kit bottles plus 30ml Nixer concentrate. Nothing else.
- ✓Final volume of exactly 60ml with no overflow on the counter.
- ✓Final strength at or below 20mg/ml as printed on the Mixer Kit box.
- ✓Smooth throat hit plus clean flavour on the first few puffs.
- ✓No dizziness, nausea or headache after your usual vape session.
- ✓Matches the flavour notes promised on the product page.
Warning signs to stop vaping
- ✗Extra nic shots from another brand added on top of the full Mixer Kit.
- ✗Liquid overflowed the bottle or had to be decanted mid-mix.
- ✗Harsh peppery throat hit that triggers a cough on the first inhale.
- ✗Dizziness or lightheadedness within minutes of vaping.
- ✗Flavour tastes thin or chemical instead of the intended profile.
- ✗Racing heart, nausea or headache building up as you vape.
For the wider picture on everything Nixer including mixing instructions, strength selection plus flavour comparisons, visit our full Nixer vape review hub where we cover every major question UK longfill users ask before plus after their first bottle.
Back to the Nixer Vape Review hub
This article is one chapter inside our full Nixer knowledge base. Head back for the complete index covering mixing, strength, steeping, flavours plus the Mixer Kit itself.
More on Nixer mixing
& strength
If you are still working out which strength is the right starting point for you, our guide to what strength you can make your Nixer longfill walks through every option from 0mg through to 10mg nic salt. For readers wondering whether they need to buy anything extra beyond what ships in the Mixer Kit, our explainer on whether you need extra VG or nic shots for Nixer answers that question in full. Plus if you are still new to the process itself, how to mix Nixer longfills with the Nixer Mixer Kit takes you from unboxing to first vape in four simple steps.