Don’t worry bay! Help is on the way! Preservation 3: Use natural cleaning products Remember, cleaning products go down the drain, too, eventually ending up in our streams and rivers. Of the 17,000 petroleum-based chemicals cleaners available for home use, only 30 percent have been tested for their effects on human health and the environment. Choosing a naturally based cleaner will lessen any potential risks to your health and our waterways. You can even make your own cleaning products