To make your sharpening job easier, try Norton Sharpening Stone Oil. Specially formulated for all types of metal. Norton sharpening stone oil is a natural, highly refined light mineral oil. It is a pharmacopeia-grade oil which meets FDA requirements for use near food and is designed specifically for sharpening stone use.
Mineral oil lubrication is recommended for all Norton oil stones. Oil acts as an effective lubricant during the sharpening process to float away metal and abrasive dust that would otherwise clog up the stone and ultimately render it useless.