BATHROOM KITCHEN COOKWARE and OUTDOORS. BATHROOM: Use BKF to clean sinks tubs showers faucets toilets tile and grout. BRK will quickly remove mineral deposits soap scum and rust stains. KITCHEN: Use BKF to clean cookware sinks stoves oven doors backsplashes non-stone countertops and drained-floors. BFK will make your pots and pans shine like new. OUTDOOR: Use BKF to clean stainless steel grills vinyl siding tools hardware ornaments boats and sporting equipment Use a pail of water and sponge or hose to rinse BKF. Removes rust stains tarnish oxidation hard water deposits soap scum mildew grease and grime from a variety of surfaces