A good home remedy To get rid of mold and mildew from your shower caulking is to take a spray bottle and mix in some baking soda and white vinegar with water and then shake the spray bottle up to mix the baking soda and white Vinegar together.
The Vinegar and baking soda mixture will kill mold and mildew and make it easier to clean the Mildew and mold from your shower and shower caulking.