Greywater Precautions
...l. Greywater tends to be alkaline, so avoid using greywater on acid loving plants such as citrus, ferns and other forest plants (pretty much anything that grows in the shade). Occasionally irrigate your plants with fresh water to prevent the buildup of salts from soaps and detergents. Do not distribute greywater with a sprinkler as you don’t want the potential bad stuff becoming airborne. Do not use the water from your washing machine if you are w...