Questions tagged [campden]

I have a few campden tablet left over from a mead I made 10 or so years ago. Are they still good? Do the lose efficacy? Edit When I google the subject, I find lots of links saying, Throw them out after 6 months. or They should be good forever. I'm…

I have a small jar of powdered Potassium Metabisulfite and Campden tablets that are Sodium Metabisulfite. The tablets are 550mg. I have seen on this forum that these chemicals, when added to your brewing water, dechlorinate and remove chloramine.…

Campden tablets need to be crushed before use. So why isn't Campden sold in powdered form? Presumably this is either because: The dosage required is very precise, and it would be very difficult to measure this out by weight or volume; or Campden is…