Why choose SoundGRO®?
SoundGRO® is the natural choice fertilizer product for your landscaped areas and vegetable gardens. SoundGRO® is a slow-release fertilizer that contains nutrients and micronutrients that are vital for the healthy growth of your plants.
SoundGRO® fertilizer is manufactured at the Chambers Creek Regional Wastewater Treatment Plant and is made from solids that are removed from the wastewater treatment process known as biosolids. SoundGRO® meets the U.S. Environmental Protection Agency's (EPA) highest standards for biosolid safety and is classified as Class A "Exceptional Quality" product.
Benefits
SoundGRO® is a safe and effective fertilizer that can be used immediately or stored in a cool, dry place such as a garden shed or garage. It has many benefits over chemical fertilizers, including:
- Slow-release formula works over a longer period of time, decreasing the need for frequent fertilizing
- Low salt index can be applied even in the hottest, driest weather without risk of burning your plants
- Improves soil structure
- Contains trace nutrients
SoundGRO® is a not-for-profit program of Pierce County Planning and Public Works.