Drano Dual-Force Foamer Drain Clog Remover and Cleaner for Shower or Sink Drains
The two ingredients in this drain clog remover combine to form a powerful foaming clog remover that fills the whole pipe and thoroughly clears its walls, dissolving gunk. Simply pour the clog remover liquid slowly over the drain, let it work for 1 hour and flush with hot water to remove what’s left of the clog.