Where can i find a recipe for a soapless clothes washing mix where I can use the wash water in the garden?

I want to be able to use the wash water from clothes washing on native bushland around my house without damaging it. Most detergents leave a residue over time.Where can i find a recipe for a soapless clothes washing mix where I can use the wash water in the garden?
Sporting good stores sale environmentally safe laundry detergent designed so sportsman can wash there clothing in lakes or streams without causing damage to the environment.Therefore it shouldn't damage your garden,although you might still want to ask or read the products label.Where can i find a recipe for a soapless clothes washing mix where I can use the wash water in the garden?
simple green
You might want to consider installing a Laundrypure from Ecoquest. LaundryPure eliminates the need for hot water cycles. Silver kills germs and oxidation cleans clothes. This means less energy, less pollution, and more money in your pocketbook. Your water will be free from any harsh chemicals and the bacteria will be killed providing a very healthy source of water for your plants.
try baking soda it works.