I have tanned hair on and off, it is a different process.
I have a few beaver tails in a bath right now, they sit in a salt, pickling crystal bath for a few days then tannium is added for a few more days, that's where I'm at now.
Next will be neutralizing the bath to stop the tanning process, removing them then
tacking them on a board, applying oil as they dry then breaking them over a steel plate to
soften them.
What I did originally was order the kit, measured the amounts in the kit then ordered bulk.
When tanning just a few tails I reduced the amounts by an even amount in order to make just a couple of gallons of solution.