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Flavor: Metallic or Blood

Problem:

A beer with metallic or blood-like flavors is evidence that some preventative adjustments are required in your brewing process.

Causes:

  • Contact of wort or beer with uncoated or unprocessed metallic surfaces, especially those containing iron, can result in a metallic taste in the finished beer. Examples of such equipment include non-stainless boiling pots, fittings, filters, uncoated bottle caps, and kegs.
  • Brewing water supply contains undesirable levels of ions. Iron may especially be a cause.

Cures:

  • Keep wort and beer away from anything containing uncoated metal, and use stainless steel exclusively.
  • Filter the water, or purchase bottled water.
Flavor: Metallic or Blood