We have 4 sizes of Goats Milk Laundry Detergent, Trial (3 ounces or about 5 loads), Small (1 lb about 32 loads), Medium (2 lbs about 64 loads) and Large (3 lbs about 96 loads). Directions: High Efficiency (front loader) washer use only 1 tablespoon, this is very concentrated stuff. For Regular washers may use up to 2 tablespoons. This detergent is fine to put in the soap dispenser or in with the load. It is also fine with septic systems. 
Optional: You can use 1/2 cup white vinegar in the rinse cycle to soften and brighten clothes. You can also use 1 cup hydrogen peroxide as a whitener instead of bleach.