The washer cleaner effervescent tablet is more powerful to penetrate, decompose dirt, dissolve and break up odor-causing residues. The solid washing machine cleaner can remove effectively dirt, rapid disintegration, no stimulation, no skin damage. EASY TO USE - Just empty your washer, place 1-2 tablets, soak and run a full cleaning cycle, no need to disassemble the washing machine.  It is recommended to use it once a month to avoid secondary pollution to clothes and protect the health of your family.