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.