Note to keep handy: Pee Stain Removal.the site specifys mattress pee stain removal, but I have used this solution on my carpet after my dog was sick. It worked amazingly well and it wasn't just urine stains that needed removal.
All menstruating women need to know how to get blood stains out! After you use the cornstarch/salt/water blend (I didn't have peroxide) then just mist water onto the mattress and soak it up with paper towels. Worked like magic!
Gross but necessary tip: An inexpensive and safe way to get pee/urine stains and smells out of a mattress or any other surface. Works for kids and pets pee! this has got to be useful - bookmarked for future bed wetting episodes.