Vegetable glycerin (VG) and propylene glycol (PG) are the two base substances used in an e-liquid. They generate most of the vapor that you see when you exhale. They also help the mixture of nicotine and flavors to remain homogeneous. Adjusting the ratio of VG and PG in an e-liquid changes its performance. An e-liquid with more PG produces a stronger throat hit and performs best in an e-cigarette with a small tank. PG-based e-liquids also tend to have very clearly defined flavors. An e-liquid with more VG produces large vapor clouds and performs best in an e-cigarette with a sub-ohm tank. Since VG tastes a little sweet on its own, it can make individual flavor notes in an e-liquid a little harder to taste. Most companies produce e-liquids designed to work with the widest possible variety of vaping equipment, so you usually don’t need to worry about the VG/PG ratio when buying e-liquid. If you use a sub-ohm device, you may want to buy “max VG” e-liquid for the largest possible vapor clouds.
What’s the best flavor to choose when you buy bottled e-liquid for the first time? Upgrading from your original cigalike means that you’ll no longer have to use the harsh “tobacco” e-liquid cartridges available at your local convenience store. In fact, you don’t need to buy a tobacco e-liquid at all if you don’t want to. A tobacco cigarette can only taste like one thing -- but there are no limits to what an e-cigarette can taste like. Would you like an e-liquid that’s a dead ringer for your favorite candy or sweetened cereal? You can find them. You can also find completely unique chef-inspired e-liquids that taste like decadent restaurant desserts. Let your imagination run wild -- because that’s exactly what the world’s top e-liquid makers are doing right now.
The bottle is the last thing that you should consider when shopping for e-liquid. You can find e-liquid in plastic and glass bottles, and every e-cigarette user has his or her preference. Most people prefer plastic bottles. Plastic is light, so plastic e-liquid bottles are easy to carry and inexpensive to ship. Plastic e-liquid bottles have nozzle tips, so you can dispense e-liquid just by squeezing the bottle. Plastic bottles also don’t break when you drop them. In addition to the bottle material, you’ll also need to think about the bottle size when buying e-liquid. Some companies sell e-liquids in only one bottle size, and others sell multiple sizes. The larger the bottle size, the less the e-liquid costs per ml -- so it’s usually wise to buy the largest bottle you can afford. If you haven’t tried a particular flavor yet, though, you should consider getting a small bottle and tasting the e-liquid before you commit to a bulk order.
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