Our Whiskey Disks Go Head-To-Head With The Competition.

Whiskey Disks Versus Teroforma Whiskey Stones

by KitchenBoy on April 28th, 2011

After my popular article on the Teroforma Whiskey Stones (Do The Whiskey Stones Rock?), I learned about a similar product called Whiskey Disks. My initial reaction was, “Great, another, oh yeah we have a product like that…” However after closer examination, it seemed this might be a very credible product.

What are Whiskey Disks?

Whiskey Disks are large single disks, as opposed to Whiskey Stones which are small cubes. The disks are round, about 1 3/4″ in diameter. In basic function they work just like the Stones: you add one disk to your glass and pour 1-2 ounces of whiskey into the glass. After 5 minutes, enjoy your chilled whiskey.

How Are They Different?

Both are finely made and are similar though there are very slight differences.

Packaging – Both come with a muslin bag for freezer storage. Whiskey Disks come in a smaller box, so they generate less waste.

Contents – Whiskey Stones – 9 cubes, Whiskey Disks – 4 disks.

Price – Whiskey Stones – $19.99, Whiskey Disks – $24.99. Given that you need to use 3 Teroforma Stones per glass for optimal chilling, this works out to $6.66 per “serving” set. The Whiskey Disks are $6.25 per “serving.”

Weight – 3 Whiskey Stones weigh 2 7/8 ounces, 1 Whiskey Disk weighs 2 7/8 ounces.

Material – Both are made from soapstone, manufactured and shipped from USA: Teroforma from Vermont. Whiskey Disk material from Quebec, Canada though made in New Hampshire.

How Do They Function?

Performance of the two products mirror the closeness of their physical aspects. In the tests I did, I used Schott Zwiesel Double Old Fashion glasses, pouring approximately 1 ounce of 15 year old Balvenie Single Barrel Single Malt Scotch Whiskey. I used 3 Teroforma stones and 1 Whiskey Disk.

Whiskey Disks vs. Teroforma Whiskey Stones - Posted by Hammerstone's Whiskey Disks, makers of the world's best whiskey stones.Whiskey rocks in glass

Both products lower the temperature 7-12 degrees after 5 minutes of resting. The drop was variant based on how cool the starting temperature was due to the ambient room temperature. The results were almost identical with only a .1 to .3 degree temperature difference between the two. They took up about the same amount of space in the bottom of the glass, with the 3 stones being slightly larger, but only by a few millimeters.

Whiskey Disks vs. Teroforma Whiskey Stones - Posted by Hammerstone's Whiskey Disks, makers of the world's best whiskey stones.Whiskey rocks side by side

As for the taste, my wife and I could not discern any difference between the two. Although one time we both thought that the Disks provided a smoother taste in one test, but this could not be replicated in subsequent tests.

As for the “in glass” activity, the Whiskey Disk does not tumble around the glass as the Stones have a tendency to do toward the end of the beverage. I did notice the disk turned on its side once and rolled back toward my lips, but in general stayed fairly static. Being soapstone, neither would scratch the glass. In spite of the fact I didn’t think that it would, the Whiskey Disk did fit into a Riedel Single Malt glass. However it did not sit flush with the bottom and could flip against the side during the latter stages. It wasn’t as attractive a look as you want with a delicate, specialty glass like that anyway.

The main difference in the two products is that the Whiskey Disks serve 4 people while the Teroforma Stones would allow only 3 people to have adequate chilling.


Don’t get me wrong, I haven’t changed my opinion of the Teroforma Whiskey Stones, they are a fine product that I enjoy using. Aesthetically, the Whiskey Stones look like ice cubes versus the Disks but in the end, I have to give a slight edge to the Whiskey Disks. The reason is simple, you get more serving capability and less movement in the glass with the disks. The function being almost identical and given the price for an equal number of serving stones from Teroforma would be $26.64, the Whiskey Disks are slightly cheaper also.

I hope to see the Whiskey Disks in more retail locations in the coming months/years. The only way to purchase them as of this writing is online at whiskeydisks.com.


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