VG/PG ratios + SMOK coil performance: complete UK 2026 explainer

VG vs PG fundamentals

VG (Vegetable Glycerin) is thick sweet liquid + derived from vegetable oils + produces dense vapour + slightly sweet taste + smoother on throat + slower to wick into cotton + better for sub-ohm coils with larger wicking holes. PG (Propylene Glycol) is thin tasteless liquid + synthetic + carries flavour better + stronger throat hit (similar to cigarette feel) + faster to wick into cotton + better for MTL coils with smaller wicking holes. PG/VG ratio expressed as percentage (e.g. 50/50 = 50% PG + 50% VG; 70/30 = 70% VG + 30% PG). E-liquid also contains nicotine (UK TPD max 20mg/ml) + flavourings. Both PG + VG safe for vape (food grade + pharmaceutical grade typical). UK TPD compliant. UK 18+ age verification. Buy genuine from established UK retailers (UK Companies House + VAT registered + UK Trading Standards monitored). Made in PRC.

Sub-ohm coils + high VG

Sub-ohm coils (under 1.0Ω) require high VG e-liquids (70%+ VG typically; some max VG 80%+ for cloud chasing). Why pair high VG too thick for slow-wicking MTL coils; works perfectly with larger sub-ohm coil wicking holes + faster wicking design + sustained UK consumer protection. Result dense smooth vapour + amplified flavour + clean wicking + extended coil life + sustained UK consumer experience. E-liquid type shortfills (50ml + 100ml + 200ml + 0mg/ml usually) + nicotine shortfills + freebase nicotine usually 0-6mg/ml. UK TPD limit shortfill bottles can be larger than 10ml because they don't contain nicotine; nic shots (10ml + 20mg/ml UK max) added separately. Best for sub-ohm cloud chasing TFV18 + V12 Prince + V8 Baby tanks. UK TPD compliant. UK 18+ age verification. Buy genuine from established UK retailers (UK Companies House + VAT registered + UK Trading Standards monitored). Made in PRC.

MTL coils + 50/50

MTL coils (above 1.0Ω) require 50/50 PG/VG e-liquids + nic salts (10mg or 20mg/ml UK max). Why pair thin 50/50 wicks easily through smaller MTL coil wicking holes + faster cotton re-saturation + prevents dry hits + sustained UK consumer protection. Result smooth nicotine delivery + concentrated flavour + faster cotton re-saturation + cigarette-like throat hit + sustained UK consumer experience. E-liquid type nic salts (10ml + 10mg or 20mg/ml + UK TPD max) + cigarette-like experience helps transitioning smokers. Best for MTL nic salts vaping RPM 1.0Ω MTL + LP1 1.0Ω MTL + Nord 1.4Ω MTL coils. Bar-style nic salt flavours optimal. UK TPD compliant. UK 18+ age verification. Buy genuine from established UK retailers (UK Companies House + VAT registered + UK Trading Standards monitored). Made in PRC.

Wrong combinations cause issues

Wrong VG/PG combinations cause significant issues + High VG (70%+) in MTL coil thick e-liquid doesn't wick through small holes + dry hits + burnt taste + premature coil failure + ruined coil. 50/50 in sub-ohm coil thin e-liquid floods coil through large wicking holes + leaking + spit-back + e-liquid in mouth + gurgling sounds. Nic salts in sub-ohm coil (high wattage) too much nicotine delivered + harsh + nausea-inducing + cigarette-like overload. High freebase nicotine (12mg+) in sub-ohm coil too much vaporised nicotine + harsh throat hit + uncomfortable. Solution always match e-liquid VG/PG to coil resistance + check e-liquid bottle label + check coil packaging recommendations. UK TPD compliant. UK 18+ age verification. Buy genuine from established UK retailers (UK Companies House + VAT registered + UK Trading Standards monitored). Made in PRC.

Max VG + RDL combinations

Max VG (80%+ VG) e-liquids for extreme cloud chasing + dense smooth vapour + reduced throat hit + best with sub-ohm tanks + advanced mods + 50W+ wattage. RDL coils (around 0.6-0.8Ω) flexible + work with 50/50 or 70/30 + balanced experience + sustained UK consumer choice. Some vapers prefer 70/30 in sub-ohm coils for slightly stronger flavour + slightly more throat hit. UK TPD limits nicotine maximum 20mg/ml + e-liquid bottle maximum 10ml (with nicotine) + sub-ohm tank maximum 2ml + sustained UK consumer protection. Match e-liquid flavour to vaping habits + sweet flavours kill coils faster + use less sweet for daily use. Steep shortfills 1-2 weeks before use + flavours blend + improve significantly. Always buy from established UK retailers + counterfeit prevention. UK TPD compliant. UK 18+ age verification. Buy genuine from established UK retailers (UK Companies House + VAT registered + UK Trading Standards monitored). Made in PRC.

VG/PG ratios affect SMOK coil performance + match high VG (70%+) for sub-ohm + 50/50 for MTL + 70/30 RDL flexible. Wrong combinations cause dry hits or leaking. Buy genuine from established UK retailers. To pick up your SMOK coils see the SMOK coils collection.