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Products are Handcrafted in the USA!
Welcome to Grand Cru Fermentaion! Our feauture products are patent-pending, flexible cooling plates.  These easy to use products help everyone from the novice to the commerial level winemaker keep their fermentation at the perfect temperature. The  proprietary flexible cooling material is made from FDA approved, food safe material.

Remember to always test your cooling jackets before placing in your wine. 
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Robert Mondavi

"A meal without wine is  like a day without sunshine. "

Martin Luther

“Beer is Made by Men, Wine by God.”

Unknown Wine Drinker

"Life is too short to drink bad wine"

-avoid this with problem with Grand Cru Tech products.