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 SoundGRO works over a longer period of time, decreasing the need for frequent fertilizing.
SoundGRO has a low salt index, so it can be applied even in the hottest, driest weather without risk of burning your plants.
SoundGRO's composition improves soil structure.
SoundGRO is safe for the environment and will not infiltrate groundwater or pollute rivers and lakes.
SoundGRO is a fertilizer product 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 Public Works.
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