Powerhouse Dissolves Blockages caused by organic matter & opens drain lines on contact. Designed to dissolve on contact all organic obstructions in floor drains, sinks, traps. Will dissolve rust and lime deposits in traps. Penetrates - decomposes waste material, opens jammed lines fast Patented formula - effectively attacks and dissolves slime, grease and decomposed matter Scent - odourless, water-clear liquid No Residue - no flashbacks, no unused residue, and no overpowering fumes.