47 Household Hacks That You Never Knew About Before

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Discs Under Bottle Caps

Cloudfront

If you’ve ever opened up a bottle of soda, then you know that almost every single cap has a tiny disc inside it that looks like plastic-covered cardboard paper. Although it seems unnecessary, it actually works to make sure that your soda bottle doesn’t lose its carbonation. Apparently, this little disc actually traps any carbon dioxide so that the soda won’t lose its fizz. If you’ve ever had the unpleasant chance of drinking flat soda, you’ll know why these little discs make a world of difference.