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"Boy, oh boy, Mom, you sure know how to hydrate a pizza."
Marty McFly

A hydrator was a device in 2015 that hydrated and presumably reheated dehydrated foods in a similar way to a microwave. They were voice-controlled, as Grandma Lorraine gave the instruction "Hydrate level 4, please!" aloud into a speaker grille on the device, and had at least four levels of hydration. After placing a four-inch diameter pizza into Marty and Jennifer's hydrator and a wait of twelve seconds, Lorraine brought out a large pizza that was at least fifteen inches in diameter. The pizza was piping hot, but the metal plate beneath it was at normal temperature, as Lorraine was able to handle it with her bare hands.

Black & Decker made a model of hydrator, including the unit that was in Marty and Jennifer's home.
Black & Decker Hydrator White

Black & Decker Hydrator logo

A business called Hydrators Unlimited was located in Hill Valley's Courthouse Mall, where no doubt the new six-second hydrator models that Marty wished they could afford[1] were sold.


  • Unfortunately, there is no known technology that could make a hydrator feasible in just three years.


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