Refresh Old Towels: Start with a washer full of old towels. wash with hot water and one cup vinegar, once the cycle is done, wash again with hot water and half cup of baking soda! Then, stick in the dryer and be ready to enjoy fluffy and fresh towels!
Clean Towels . . . works great . . . found another suggestion to add 2 tsps dawn dishwashing liquid to vinegar load. Doesn't seem necessary, but good to know. Be aware - dryer sheets build up residue on towels over time.