"Father Haskell" wrote:
Sodium hydroxide, aka red devil lye, and aluminum filings.
------------

Sodium hydroxide, AKA: "Caustic", "Caustic Soda".

Nasty stuff.

50% caustic is most common strength used to make soap as well as other
basic products.

Definitely not something to screw around with unless you have
training, especially when Mother Nature darkens cherry in 6-9 months
or less just using normal daylight.

Patience is a virtue.

Lew