I've not tried this recipe but sounds like it would be good to have on hand.
This recipe helps to remove and prevent mold and mildew buildup.
1/2 Cup Baking Soda
10 drops Tea Tree essential oil
10 drops Lavender essential oil
10 drops Geranium essential oil
Combine all ingredients and using a damp sponge or cloth, scrub
bathtub and/or shower.
For serious mildew buildup areas, combine 20 drops of Tea Tree and
water in a spray bottle,
and spray area everyday for 5 days, then 2x a week