Pour your stock into a pot or pan over medium heat
Bring to a boil and reduce until a 1/4 of the total volume is left
After the stock is thick, transfer it to you dehydrator
Turn on to high and wait 8hrs
crush and blend the dry stock into a fine powder
Vacuum seal in an airtight container for a year
To re hydrate mix a tea spoon of powder per cup until dissolved then additional powder to taste.