Read in threads a while back and a buddy doing some research. Fels-naptha soap for soap tanning and I am not sure what else it could be used for as far tanning. Arm and Hammer Washing soda mixed with alum or something for larger critters like fox. Again not sure of the whole mixture.

I picked up the Fels-naptha and Washing soda at Ace Hardware on Muldoon. I remember reading people to say to buy online. Fels-naptha 5.5oz $1.49 each, had a bunch in stock over 20 bars. Washing soda was $4.49 for 55oz. Still in the learning process myself, but these chemicals are available.

Anybody with more insight on mixtures? I think the fels-naptha is used by itself dissolved in water?