Green Gobbler Drain Clog Dissolver Gobbles the toughest clogs and pipe problems. The thick/high density formula sinks through standing water to reach your problem areas. Our environmentally friendly, biodegradable formula dissolves hair, soap, toilet paper, personal care wipes and other organic materials. Our formula does not contain bleach or sodium hydroxide and is safe for PVC, ABS, copper, and cast-iron household pipes. Our dissolver can be used in the toilet as well and is safe for septic systems. The dual chamber bottle contains 2 applications that are pre-measured, making it easy to use with no measuring required. Our formula is odorless, and fume-free.