Welcome to the ultimate guide on removing coffee stains from mugs! Say goodbye to stubborn stains and hello to sparkling clean mugs.

First, gather your supplies: dish soap, baking soda, white vinegar, and a sponge.

Slide a=Step 1: Rinse the mug with hot water to loosen the stain.

Slide b=Step 2: Mix equal parts dish soap and baking soda to create a paste.

Slide c=Step 3: Apply the paste to the stained areas and let it sit for 10 minutes.

Slide d=Step 4: Scrub the mug with a sponge, focusing on the stained areas.

Slide e=Step 5: Rinse the mug with hot water and check for any remaining stains.

Slide f=Step 6: If the stain persists, mix equal parts white vinegar and hot water and let the mug soak for 30 minutes.

Slide g=Step 7: Scrub the mug again and rinse with hot water.

Congratulations, your mug is now stain-free and ready for your next cup of coffee! Remember to always rinse your mug after each use to prevent future stains. Happy sipping!