Soot Sweep® Soot Remover
For free-burning stoves and non-airtight fireplaces. It improves heating efficiency while reducing dangerous soot build-up. Does not contain any corrosive rock salt. Makes chimney cleaning easier and reduces the danger of chimney fires. Spread 1/4 cup over a low fire or hot coals then increase the fire and burn briskly for at least 30 minutes to activate the chemicals.