Fast acting no scrub formula works on contact! Removes tough stains inside & outside the home. Safety eliminates lime, calcium, rust and hard water stains. Great for removing tough hard water stains from many surfaces! Instantly removes rust and mineral deposits from dishwashers, washing machines, humidifiers, pots & pans, coffee makers, shower heads, cement, brick, vinyl, siding, fiberglass. PVC lawn furniture and more! Contains no phosphates.