Heh, I'll describe the conditions as accurately as possible then
We were over a large sheet of indoor ice, kept at roughly 28 degrees F. Indoor air temperature was roughly 37 degrees F. Cut was small, so the droplets hitting the ice were roughly 1/8" diameter. They remained bright red for a minimum period of at least a day (we found one later). They were not observed to crystallize, at least by me (they appeared merely very, very thick, but possible to scrape off with a fingernail, which is impossible if it was crystallized).
Grab your pins, head to your local curling ice, and get to it!
