What laundry detergent should I use for greywater applications?
...h allows you to choose whether your wash water will go to the sewer or the garden. If you have one of these, you can do loads with bleach or what-have-you and send that water to the sewage treatment plant. Also, if you are washing diapers, this valve is an absolute necessity. All diaper wash water should go to the sewer. Soil is a great cleanser, but you don’t want to push your luck by depositing fecal matter around your garden. (Addendum here, to...