Black Swan's Zap+ Buffered Drain Pipe Opener 128 oz Valve Boxes Provides maximum nutrition

Provides maximum nutrition

Dried Bacillus Subtilis Fermentation Product and Dried Bacillus Licheniformis Fermentation Product

tumble dry low

Crates set up and fold down easily to portable size – no tools required

NO-LEAD Frost-proof

Black Swan's Zap+ Buffered Drain Pipe Opener 128 oz Valve Boxes Provides maximum nutritionBlack Swan's Zap+ Buffered Drain Pipe Opener is a heavy duty, sulfuric acid drain opener formulated specifically for emergency use. Meaning of Buffered: Buffered means it is safer to use than regular sulfuric acid drain pipe opener. The product will have a delayed reaction and will not get as hot. If acid is splashed on skin, the end user has more time to wash off acid before burn occurs. The reaction not getting as hot also allows for use of the