Roebic HD-CRY-DO Heavy Duty Cleaner: Professional Strength Crystal Drain Opener, Clears Clogs, Melts Grease, 100% Lye - 1 Gallon, Black

Roebic HD-CRY-DO Professional Strength Crystal Drain Opener clears tough clogs from pipes, destroys grease, and will keep drains clear. Professional Strength Crystal Drain Opener contains 100% LYE (sodium hydroxide, caustic soda) to clear the toughest clogs. Not for use in toilets, garbage disposals or with aluminum, lead, zinc, or galvanized pipes. To use, empty sink of standing water, place 1 or 2 tablespoons of Crystal Drain Opener directly into drain, add 2 cups of cold water to drain, and cover with plastic bowl. Allow to stand 20 to 30 minutes. Slowly flush drain with cold water. For over 50 years, Roebic has developed high quality products engineered for optimum performance, targeting specific problems and troublesome areas within the septic system. Trust Roebic, The Septic Professionals, for all your septic and drain care needs.