Our drain clog removers include isopropyl alcohol, disodium EDTA, and sodium bicarbonate. It softens and clears blockages; Surfactant emulsifies and disperses clogging to improve dredging effect. Neutralize acidic substances, dissolve grease and organic matter, and facilitate dredging. Its use method is very simple: 1. Press down on the bottle cap, turn counterclockwise, open the bottle cap. 2. Pour proper amount of this product into the pipe; 3. Wait an hour, then flush the pipe with plenty of hot water. Special formula, quickly dissolve grease and clogging, the effect is remarkable. Use safe ingredients. Harmless to pipes, suitable for all kinds of pipes.