Potash soap

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Related to Potash soap: Lye soap
any soap made with potash, esp. the soft soaps, and a hard soap made from potash and castor oil.

See also: Soap

References in periodicals archive ?
391 mL pyrethrins + potash soap per L of water (SAFER BRAND Yard & Garden Insect Killer II Concentrate, 0.
Logistic Regression was used to test for significant differences between control mortality and mortality with the pyrethrins + potash soap, petroleum oil, and potash soap treatments (i.
perseae nymphs, the pyrethrin mixture was the most effective treatment of those evaluated followed by potash soap, petroleum oil, and pyrethrins + potash soap.