Graywater

Great soaps for greywater systems:

Oasis dishwashing and laundry soaps. Many soaps are marketed as biodegradable, but have a high salt content which is horrible for our soil. Oasis is the only soap I know of with a lower salt content than our groundwater. The dishwashing soap can be diluted to 10 parts water: 1 part soap for use as a body soap and shampoo. It is available in bulk from the Food Conspiracy Co-op. For more information on how differently common brand name detergents break down in your greywater and soil, get a copy of “GREYWATER AND YOUR DETERGENT” available free of charge from Tucson Water (520) 791-4331.

Oasis also offers books on how to install a graywater system.