HG Quick Descale. A super concentrated, fast-working solution to decalcify and remove scale from the electric elements of kettles, coffee machines, laundry machines, dishwashers, hot-drink dispensers etc. decalcifies an electric kettle up to 10 times. No more white granules left in your machine. Please note for Espresso Coffee Pod machines, use HG Espresso machine Coffee Pod descale a safe but highly effective, citric acid based formula.