As an expert sommelier and brewer, I can provide you with detailed information about the safety of using gypsum in drinking water. Gypsum, which is composed of calcium sulfate, is actually recognized as acceptable for human consumption by the U.S. Food and Drug Administration (FDA). It is commonly used in various applications, including as a dietary source of calcium, to condition water used in brewing beer, and to control the tartness and clarity of wine.
When it comes to using gypsum in drinking water, it is important to understand its purpose and potential effects. Gypsum is often used to address water hardness, which refers to the presence of minerals such as calcium and magnesium in water. Hard water can have an impact on the taste of beverages, including tea, coffee, and even beer. By using gypsum, brewers and homebrewers can adjust the mineral content of the water to achieve the desired flavor profile in their beers.
While gypsum is generally safe for consumption, it is crucial to use it in appropriate quantities. Adding too much gypsum to water can result in an excessive calcium content, which may lead to a bitter taste. It is recommended to follow guidelines and consult with professionals or reputable sources to determine the appropriate amount of gypsum to use for your specific brewing or water conditioning needs.
In my personal experience as a brewer, I have used gypsum to adjust the water profile for different beer styles. By carefully measuring and adding gypsum to the brewing water, I have been able to achieve the desired balance of minerals and enhance the flavors of the final product. However, it is important to note that individual preferences may vary, and experimentation is often key in finding the perfect water chemistry for a specific beer recipe.
In addition to its use in brewing, gypsum is also commonly used in various food products. It can be found as an ingredient in canned vegetables, flour, white bread, ice cream, blue cheese, and more. The FDA has determined that gypsum is safe for consumption when used within the guidelines provided.
To summarize, gypsum is considered safe for drinking water when used in appropriate quantities. It is recognized by the FDA as acceptable for human consumption and is commonly used in various applications, including brewing and food production. However, it is important to use gypsum responsibly and consult with professionals or reputable sources to ensure proper usage.