this coffee machine cleaning tablets are carefully formulated with sodium bicarbonate and sodium dodecylbenzene sulfonate. Designed specifically to effectively remove hidden mineral deposits， quickly clean waterways and increase brewing speed. The usage method is extremely convenient: 1. Cut off the power supply and drain the water from the coffee machine. 2. Add 1-2 tablets of this product to a clean sink and ensure they are completely dissolved. 3. According to the machine's instructions， run two complete cleaning cycles to ensure thorough cleaning of the interior. 4. Wipe the internal area of the machine with a clean cloth to remove excess moisture and impurities， ensuring it is clean and tidy. Moreover， it can strongly dissolve stubborn coffee oil， keep the interior of the coffee machine clean， and extend its service life. The mild formula will not damage the internal components of the coffee machine and maintain the best performance of the equipment.