The Carbide Grinder is a dye and perfume free synthetic fluid specifically formulated for grinding cemented carbide (tungsten or titanium carbide) materials with cobalt leaching inhibitors incorporated in its formulation to eliminate or greatly reduce cobalt leaching effects found in most coolants. The Carbide Grinder inhibits cobalt leaching so frequent recharging is not needed. It is formulated with special materials which resist bacterial growth, thereby reducing clean out and recharge costs. It also resists foaming and exhibits excellent filterability to allow for a much cleaner, longer sump life.