I have used straight white vinegar, about 1 cup per load, for my son's camping gear. They smelled like little boy and campfires (shudder) I used to have to wash them 2-3 times to get the smell out with the fancy smelly stuff. Then I found white vinegar. One cup, one wash, and viola everything smells great
and you can also clean with the vinegar. It is a natural antibacterial as well as being safe for pets and kids. You only smell the vinegar for a little bit, it does dissipate very fast. When I lived in NM, I would cut some fresh lavendar sprigs and put them in the bottle with the vinegar. The vinegar dissipated but the lavendar smell stayed
was great! (ie natural fabreeze ) not to mention it is dirt cheap!