Rutland Creosote Remover keeps creosote buildup at bay remarkably easily! Add 1-2 scoops to fire two times per week to turn sticky, tar-like creosote into brushable ash and prevent further buildup from occurring. Safe for use in all chimneys and wood-burning appliances. Will not damage catalytic converters. Creosote buildup can cause chimney fires if left untreated. The use of creosote remover does not eliminate the need for regular chimney cleaning.