Vacuum-sealing food before freezing really does make it last longer. But unless you have a serious Costco habit, it's hard to justify buying an expensive, bulky countertop sealer.

March 23, 2015

Vacuum-sealing food before freezing really does make it last longer. But unless you have a serious Costco habit, it's hard to justify buying an expensive, bulky countertop sealer. Luckily, F&W Test Kitchen superman Justin Chapple has an easy hack. Watch this week’s episode of Mad Genius Tips (above) to see how he transforms a bowl of water into a DIY vacuum sealer.

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