I can't find SoundGRO anywhere. Can't you just make more?

Simply put, there’s no way to “turn up the tap” on our supply. Pierce County’s Sewer Division makes SoundGRO fertilizer from byproducts of the wastewater treatment process. SoundGRO supply is limited by inflow to the Chambers Creek Regional Wastewater Treatment Plant. On average, we can produce about 40 tons per week.

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1. What is SoundGRO?
2. What is Class A 'Exceptional Quality'?
3. What does the 5-5-0 on the label mean?
4. Where can I use SoundGRO?
5. How do I order SoundGRO?
6. Why can't I buy individual bags at the treatment plant anymore?
7. Is SoundGRO similar to TAGRO?
8. How is SoundGRO different from chemical fertilizers?
9. Does SoundGRO contain heavy metals?
10. I have a small yard and only need a few bags. Where can I buy them?
11. I can't find SoundGRO anywhere. Can't you just make more?