Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to use salt as a cleaning agent [title] Mix salt and vinegar. [step] Vinegar is commonly used in household cleaning and can be combined with salt for extra stain removal power. Add some normal, distilled vinegar to a bowl.

Ending1: Let the ingredients sit and soak for several hours before moving on to the next step. [substeps] You'll probably need a small shop vac or microplane to get the mixture right. Ending2: Sprinkle it with an equal amount of salt and stir it into the vinegar. [substeps] Soda water is a possible substitute for vinegar and can be used to clean and deodorize refrigerators. Ending3: Try to mix together one gallon (3.8 l) of water and salt so you have equal parts salt and vinegar. Most cleaners make at least 1 quart (1 l) of vinegar to use in a commercial cleaning system. Ending4: Stir together to create a solution of one part water and one part vinegar. [substeps] Add half a cup (75 ml) of dish washing detergent.

Answer format: ending1/ending2/ending3/ending4