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Directional Freezing is a simple method to make crystal clear ice by controlling the direction that water freezes. It was first explained here on Alcademics.com by Camper English in December 2009. The method has been written about in books, used in commercial products, and is employed in many small cocktail bars around the world. Read more →

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You can make a clear block of ice using an insulated cooler with the Directional Freezing method. You can also use this method to freeze objects inside of ice blocks including freezing a full-sized bottle inside an ice block. If you are able to add an aquarium pump to the mix, you can make clear ice from the bottom up without any cloudy parts at the end; a method that mimics how professional ice block machines work. (All of the many, many ice experiments posts are located here in the Index of Ice Experiments.) Today we'll talk about how to... Read more →

Get Camper's Book: Tonic Water AKA G&T WTF.