Colored grinders are great looking, fun, and inspiring, but coloring pigment additive is toxic, especially as your grinder starts to degrade.
There is a difference between external coloring and internal. If your grinders are colored only on the outside and not on the inside, then you are in a better place with your grinder. However, you will need to pay attention to any shavings coming off your grinder. To understand what the “shavings” are and how occur, you can read more about it here.
While most anodizing grinders are considered soft, it allows beautiful colors to be applied to them, such as the grinders shown here.
Some grinders—and it is really difficult to tell which ones—are coated with HARD ANODIZING, which we strongly recommend!
Their texture will be a little rough, and their color will look like a faded gray. Try to scratch them with a key; you will notice that you will not leave a scratch. The hard anodizing grinder was first introduced to the market in 2002. It is an expensive process, and not all suppliers can provide it, hence its rareness. Hard anodizing adds stiffening agents to the grinder’s surface, making it more durable. To learn more about the difference between hard anodizing and soft anodizing, read this article.
Summary
The coloring of grinders is not adviced, especially on the inside of the product. Any direct contact with the medicine should be avoided.
*Our coloring is done only on the outside of the grinding chamber leaving the medicine intact.
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