How to freshen your towels and get rid of that mildew stink
Wash your load of towels on the hot cycle and add 1 cup of vinegar… just hot water and the vinegar, nothing else. Let the washer do it’s job. Then, if you still smell a little bit, rewash with just hot water and 1/2 cup of baking soda. Again, no detergent, just baking soda and hot water. Voila!