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Vinegar and baking soda can be effective for removing old carpet stains, although success may depend on the type of stain. There are two common methods for this process.

One method involves combining the ingredients directly on the stain to create a chemical reaction. First, pour a generous layer of dry baking soda over the stain. In a spray bottle, mix distilled white vinegar with 1 cup of warm water and a few drops of liquid dish soap, then spray this solution thoroughly over the baking soda. The mixture will foam as the acidic vinegar reacts with the basic baking soda, which helps loosen and lift the stain. Let this sit for a few hours until it dries, then wipe or vacuum up the residue and blot the area with a clean, dry towel. You can repeat the process if the stain persists.

An alternative method suggests using the ingredients separately. Start by sprinkling baking soda on the stain and letting it sit for 15 to 30 minutes before vacuuming it up. Next, blot the remaining stain with a solution of equal parts white vinegar and water, and then blot the area dry with a clean cloth.

To remove pet urine stains and odors from a microfiber couch, first blot the area to absorb as much liquid as possible. Then, generously cover the spot with baking soda and let it sit for a few hours to absorb the odor before vacuuming it up.

For cleaning the stain itself, you can use a commercial urine stain and odor removal spray—be sure to follow the product's instructions.

Alternatively, you can use a DIY solution based on your couch's cleaning code:

• For 'S' code couches: Lightly spritz the stain with rubbing alcohol and gently scrub with a microfiber cloth.

• For 'W' or 'S-W' code couches: Use a mixture of one cup of vinegar and one cup of rubbing alcohol, spritzing and scrubbing the area gently.

Our guide can also work for old tomato stains. If you’re trying to get rid of a lingering spot from spaghetti dinners past, you can skip step one and jump directly to step two. 

Pro tip: Allow soaking time for older stains. We recommend waiting at least 10 minutes between applying your cleaning solution and blotting it up.

If there is only a small amount of gum, it’s entirely possible to remove it on your own. What you’re unable to pick or scrape off, try to scrub out with warm soapy water. You can try freezing the garment and removing the hardened gum. Some swear by rubbing peanut butter on the gum before washing. No matter which method you choose, do not put your clothing in the dryer until the gum is 100 percent removed.