Take the guesswork out of chilling your homebrew with these amazing cold activated crown caps. They begin to change to a blue color at approx. 46 degrees, and reach "maximum blue tonality indication" at 41 degrees. 144 Count
Cold Activated Crown Caps with Oxy-liner
Package of 144
Pry off caps
Cold Activated Crown Caps with Oxy-liner
Package of 144
Pry off caps