Does SoundGRO contain heavy metals?

Most fertilizers contain small amounts of heavy metals. Several metals such as zinc are beneficial for human health and essential to healthy plant growth. Metals like lead and arsenic may pose a risk to human health if concentration levels are too high. The EPA and WSDA have adopted strict content standards for these metals in biosolids fertilizer. SoundGro meets these standards.

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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?