Perspiration Stains/Odor: Soak the stained shirt in equal parts ammonia and water and add a few Tablespoons of liquid dish and soap overnight. Then, wash the shirts as usual.
Rust and Mineral Stains: Add 1 cup of bottled lemon juice in the wash to remove discoloration from cotton laundry.
White-Out / Liquid Paper and Permanent Marker Stains: Dab some sunscreen over the stain and rub off with a paper towel. Repeat this process until the stain is gone.
Sour Smelling Towels: Whenever possible, always use bleach when washing towels. If this is not possible (for colored towels), pour a cup of white vinegar or 1/4 cup Febreezeinto the washer with the towels and detergent.