1 cup borax 1 cup washing soda 1/2 cup citric acid 1/2 cup kosher salt Fill rinse agent compartment with white vinegar. Simple detergent ingredients 1 " 55 ounce box of Arm & Hammer Super Washing Soda = $2.19 1 " 76 ounce box of 20 Mule Team Borax = $4.29 1 " 48 ounce box of coarse Kosher Salt = $1.99 1 " 5 pound container of food-grade Citric Acid = $27.00 You can find this online or at your local brewery or specialty beer store. If you cannot find this you can substitute LemiShine. If you do not use some form of citric acid you may see a cloudy residue left like most green cleaners leave. 1 " gallon of White Vinegar = $1.79