Use Murphy Oil Soap to make your own DIY insecticidal soap spray.Combine mild, biodegradable soap with water and apply directly to pests on plant leaves. Reapply once or twice per week to increase ...

Polish those flea market finds up with a bit of steel wool and one surprising ingredient: Murphy's Oil Soap! Yes, that stuff your mom used to clean the floors. Skip to main content.

Murphy Oil Soap is one option, but Christopher Brazie, technical services specialist in Sherwin-Williams Co.’s industrial wood coatings division, says it’s “one of the worst” options.