Metallic or Astringent Beer? It Might Be Iron or Copper in Your Brewing Water
If your beer has a metallic, penny-like, or harsh astringent taste, your recipe and process might not be the problem. One often-overlooked cause is metals in your brewing water, especially iron and copper. Even small amounts of iron and copper can ruin your beer by adding these off flavors.
Copper and your brewing water
Copper is a common metal used in brewing equipment, but does it leech into your brewing water and what effect does it have on your beer? How does Copper affect your beer? Copper can be a beneficial chelating agent in your brewing water. Meaning that it will bind to other particles and prevent haze. But […]