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This article is about the current version of DF.
Fire-safe Magma-safe

Pearlash is a wood-based product which is used primarily in the manufacture of clear and crystal glass.

Producing pearlash

Pearlash can be created at a kiln or magma kiln by a dwarf with the furnace operator labor enabled. Doing so requires one unit of potash, as well as whatever fuel is necessary to run the kiln. Pearlash is actually one of the most labor intensive products in the game to produce, requiring you to burn one unit of wood to ash at a wood furnace, then convert the ash to potash at an ashery just to acquire the input material used in its creation.



Pearlash's primary use is to allow the production of clear glass (also requires sand) and crystal glass (also requires rock crystal) at a glass furnace or magma glass furnace.

Alternatively, pearlash is a magma-safe (though eccentric) building material, and can be used in any constructions.

Real world

Pearlash (or salt of tartar) is a more refined form of potash. Historically, this fine white powder was produced by burning away potash's impurities in a kiln. It was used in glassmaking, china, and soap production, and has many widespread uses today.

A small dish of pearlash.
"Pearlash" in other Languages Books-aj.svg aj ashton 01.svg
Dwarven: kovest-ibruk
Elvish: amayi-imeri
Goblin: obasp-usmdas
Human: kima-cish