Barrels and paper tubes.
you can go to your store are talk to people and touch stuff.
The Good Store only Have BFI powder.
There have been many over the years most were "store brands" during the 70's black powder shooting surge with the exception of Ultra-Hi and Miroku they were sold in the US under there respective names.
SHOCK!! Its a powder you can buy at a pool store or chemical store.. its chlorine in powder form, you just dump it in your pool stir it up a bit, wait a day or two, and the pool should be clean.
the store
So long as it is in a cool dry place you can store for years. Unopened cans are less susceptible to moisture and store better, but I have powder that is more than 5 years old that I still use. It is kept in a humidity controlled 72 degree room and within a powder magazine. I also have powder that is 10+ years that is sealed, but still quite viable judging by the pound used last year.
You must to be 18 or over in most places. There are a few places that require 21 and or a permit to buy black powder. If you have a question about your specific area you can contact a distributor in your area via this website www.goexpowder.com/distributors.html
At your local grocery store or drug store.
You can find it at your local Walmart store.
You can buy cocoa powder at your local grocery store in te baking section.
The prices vary from store to store but the average price for a pound is $1.50.
Black's Store was created in 1849.