I just fill up the bleach cup with hydrogen peroxide - there's plenty of water in the wash to dilute it with! I also put some vinegar in the fabric softener cup, and I'm going to try borax in with the detergent (or maybe replacing the detergent). Then I line dry. The clothes smell just great...

Not sure exactly how much I've saved since I started making my own laundry detergent four years ago, but it's a lot! I make it in one of those big Homer Buckets from Home Depot, which I think are five gallons, so I make about 4.5 gallons at a time, I think. We scoop one old Fiesta coffee cup...