Black Swan Power Flakes Drain Pipe Opener, 1 Lb.

Black Swan Power Flakes Drain Pipe Opener. Contains sodium hydroxide. Used for cleaning clogged drain pipes of grease, hair, lint, paper, food scraps and all organic material. Will not harm plumbing fixtures, porcelain or septic systems. The chemicals in the drain opener react with water to create a tremendous amount of heat and the heat softens the material in the side of the pip, causing the material to flow away. Works best with hot water.