Washing Machine Drum Cleaner Made in Japan Use for Top load Washing Machine Sodium Carbonate Surface-active Agent 2 ENZYME Carbonate. Feature . 1 : Washing drum cleaner will disinfect and deodorize the inside of washtubs to protect clothes clean and avoid secondary pollution . 2 : 75g x 2pcs in a box , it has 2 enzyme and surface- active agent dual detergent ingredients . 3 : Fine white powder more easily into the water , easy to clean laundry dirty tank . How to use : 1 . Set the water level and pour water into a washtub . It is effective to use it at a temperature of around 30°C to 40°C . 2 . Add one pack of this product and operate the washing machine for about three minutes to dissolve the cleaner . For washing machine of more than 7kg in capacity , use two packs . 3 . Let stand for about 6 hours after operation . Do not let stand for more than 24 hours . 4 . Rinse the tube completely after standard operation ( washing and rinsing )