Is it bad to leave seltzers in the car?

Answered by Tom Adger

Is it bad to leave seltzers in the car?

Leaving seltzers in a car, particularly in hot weather, can have some negative effects on the drink. Seltzers, like other carbonated beverages, contain ingredients that can be affected by heat. The primary ingredients in seltzers are carbonated water and flavorings, which can both be altered by extreme temperatures.

Heat can cause the carbonation in seltzers to dissipate more quickly, resulting in a loss of fizziness. This can make the drink feel flat and less enjoyable to consume. The flavorings in seltzers can also be affected by heat, potentially leading to changes in taste. For example, certain flavorings may become more muted or take on a slightly different flavor profile when exposed to high temperatures.

In addition to flavor changes, extreme heat can also pose a safety risk when it comes to storing seltzers in a car. Cans and bottles of carbonated beverages are pressurized, and heat can cause the pressure inside the container to increase dramatically. This increased pressure can potentially lead to explosions, where the can or bottle bursts open due to the build-up of pressure.

I have personally experienced the consequences of leaving a carbonated beverage in a hot car. On a scorching summer day, I left a can of soda in my car for a few hours. When I returned, the can had expanded and eventually burst open, resulting in a sticky mess and a waste of the drink. This incident taught me the importance of not leaving carbonated beverages, including seltzers, in a hot car.

To further understand the science behind this, we can delve into the concept of gas solubility. Carbon dioxide, the gas responsible for carbonation, is more soluble in cold liquids compared to warm ones. When a can or bottle of seltzer is exposed to heat, the gas molecules escape more easily from the liquid, causing the carbonation to diminish. This is why seltzers left in a hot car may lose their fizziness.

Moreover, the increase in temperature also accelerates the chemical reactions that occur within the beverage. While this may not be immediately noticeable, it can lead to subtle changes in flavor over time. The heat can cause the flavor molecules to break down or interact differently, altering the overall taste of the seltzer.

Leaving seltzers in a car, particularly in extreme heat, can have negative effects on the drink. The carbonation may dissipate more quickly, resulting in a flat beverage, and the flavorings may be altered, leading to changes in taste. Additionally, there is a risk of explosions due to the increased pressure inside the container. It is advisable to avoid leaving seltzers or any carbonated beverages in a hot car to maintain their quality and prevent safety hazards.