Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean your cleaning supplies [title] Wash the mop. [step] There are different kinds of mops, each of which will need different kinds of cleaning. Cleaning the mop head helps eliminate bacteria that can grow when the damp fabric or sponge sits after cleaning.

Ending1: When cleaning the mop head, load all the mops and sponges in a bucket with a few drops of stain remover (like wd-40). Then, dip a sponge into the bucket and wipe it down every two weeks. Ending2: [substeps] There are cleaning cloths that fit into the mop holder's tubing or safety cup. While these can be helpful for use in damp environments, they are not as comfortable and/or will not last as long. Ending3: [substeps] If you have a cotton mop with a removable mop head, you can throw it into the wash with towels on a warm wash. Avoid using fabric softener so it doesn't get on the mop head and make sure you use high heat and the delicate cycle when drying. Ending4: [substeps] For floors, simply rinse it under clean water and dry. For walls, press walls to ensure airflow is not disturbed when the mop heads are moved.

Answer format: ending1/ending2/ending3/ending4