Instructions for use: Add an appropriate amount of normal temperature water to the pipe mouth. If the water has been leached out of the pipe, there is no need to add water, only the water outside the nozzle can be removed. Put the appropriate amount of this product into the pipe, and pour into the pipe, and rush in with a large amount of water after five minutes to the pipe. It can be operated repeatedly or waited for several hours without being dredged, and treated with leather tweezers. This product has a continuous effect on severe blockage, and wait patiently. Features: Dissolves grease, hair, oils, soap scum and paper products easily. Perfect to use on pipes, toilets, sinks, tubs and in other main drain lines. Made of a non-corrosive formulation that is safe on septic systems. Uses its high density to cling to pipes and liquify drain obstructions. Non-corrosive, non caustic and odorless formulation. Condition: New. Material: Percarbonate, NaOH, sodium silicate. Capacity: 110g. Size: 10.5x3cm. Use for: Clean the sink, drain etc. Package Included: Three Sink and Drain Cleaner.