Drano Liquid Clog Remover - 32 oz.
Contains a special ingredient to protect pipes from corrosion.
Safe for plastic, PVC, metal pipes, garbage disposal and septic systems.
Won't harm pipes even when used overnight.
Does not contain phosphorous.
Starts working to break down clogs on contact.
After 15 to 30 minutes, clogs are substantially minimized or dissolved.
A final blast of hot water flushes away what's left of the clog.