It is almost inevitable that a person will stain their mattress in some way. As a general rule of thumb, the fresher that a stain is, the less difficult it will be in order to clean it out. Keeping this in mind, it is important to not delay when you accidentally stain the mattress. Act quickly and take all of these methods into account if you want to really bust the stains out of your mattress and to show them who is boss in this house.The mildest solution is probably the best one with which to begin. Take a quart cup of a mild powdered detergent and mix it up with a cup of warm water. Doing this will give you a cup of dry suds. To mix them, get a whisk or an egg beater and beat them until you see suds appear, and they will probably look very similar to whipped cream. Use a sponge to apply