Understanding PG/VG Ratios: A Beginner's Guide to Flavor & Vapor

By Priya Nair, Quality Assurance | 6 min read

Learn how Propylene Glycol (PG) and Vegetable Glycerin (VG) influence throat sensation, vapor density, and coil wicking speeds across different vape kits.

Every bottle of premium vape e-liquid in Chennai contains two primary base carrier liquids: Propylene Glycol (PG) and Vegetable Glycerin (VG). Understanding their ratio is essential for matching the right liquid with your specific hardware.

What is Propylene Glycol (PG)?

PG is a thin, odorless liquid that carries flavorings effectively and produces a familiar, satisfying throat sensation. Because of its low viscosity, high-PG liquids wick smoothly through the small cotton intake ports found in refillable pod systems and MTL coils.

What is Vegetable Glycerin (VG)?

VG is a thicker, naturally sweet vegetable derivative responsible for dense white vapor clouds. High-VG liquids (70% VG and above) are ideal for sub-ohm devices with high-flow replacement mesh coils that operate at higher wattages.

Optimal Ratios for Popular Device Types

• 50% VG / 50% PG: Perfect for pod systems (0.8Ω - 1.2Ω coils) and nicotine salt e-liquids, ensuring smooth throat hit and zero dry hits.

• 70% VG / 30% PG: Ideal for sub-ohm direct-lung devices (0.2Ω - 0.4Ω coils) producing thick clouds with a gentle throat hit.

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