DO-1000 PURE CITRUS is a super concentrated, heavy duty, fast acting citrus Terpene solvent blend that penetrates, cleans and dissolves even the heaviest greases. DO-1000, manufactured entirely from organic plant and vegetable materials and a special surfactant blend, is the perfect product for use as a drain opener, a degreaser and an emulsifier where high solvency for rapid cleaning is required. Food grade.