The Best Homemade Shower and Tub Cleaner Double or Triple this recipe for a larger tub or shower! Ingredients 1/2 cup vinegar 1/2 cup Dawn detergent - blue bottle spray bottle Instructions Warm vinegar in microwave for 90 seconds. Combine vinegar and Dawn in spray bottle. Spray on your shower or tub. Let sit for 1-2 hours. Wipe clean.
No-Scrub cleaner. 1/2 c. white vinegar 1/2 c. Original Blue Dawn Dish Soap 4 T. Baking Soda Empty spray bottle (or skip this and use a glass measuring cup). Heat vinegar to warm, add baking soda, then add Dawn. Spread on paste using washcloth and leave for 2hrs. Spray off.