Photographers' Formulary 5lbs Borax

Borax Uses
• As a mild alkali accelerator in fine-grain developers and those of low activity
• In certain fixing baths
• In some acid hardeners, especially those intended for prints that are to be dried through heated belt driers
• In gold toning baths to render them alkaline and to increase the rate of deposition of gold

Note:

Borax is available as borax, pentahydrate, but most commonly as borax, decahydrate, the form used in photographic formulas. The old term for decahydrate is crystalline. Borax, decahydrate and 20 Mule Team Borax are one and the same.