Why Choose SoundGRO®?
SoundGRO is the natural choice fertilizer product for your landscaped areas and vegetable gardens. SoundGRO® Contains 100% natural organic nitrogen, plus nutrients and micronutrients that are vital for the healthy growth of your plants.
SoundGRO® has many benefits over regular chemical fertilizers:
- 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
SoundGRO® fertilizer is manufactured at the Chambers Creek Regional Wastewater Treatment Plant from by-products of 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. SoundGRO® is a not-for-profit program of Pierce County Planning and Public Works.
For updates on availability and other program information, please sign up for our mailing list.