Oust Descaler All-Purpose Limescale Remover Formulated for All Surfaces, 500mlOust All Purpose descaler is specially formulated to work quickly and easily to restore most small household appliances and surfaces to their best. Its powerful formula is ideal for use in small household appliances and surfaces. It is important to descale appliances every 3 months in hard water areas and every 6 months in soft water areas.Features: Powerful limescale removal formulation removes up to 100% limescale from surfaces and most small household appliancesResults in MinutesMulti-use liquid treatment with active-citric acidRemoves tough limescaleHelps prolong appliance life and restore good as new shine to appliancesBox Contains: Oust Descaler All-Purpose Limescale Remover, 500ml