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All Hemp Products Sold At Prime Spectrum CBD are Grown In The U.S. And Tested For Purity

Certificate of Analysis is required from third parting testing laboratories as part of quality assurance. Manufacturers sometimes post these results on web sites. 
Certificate of Analysis tests can show results or traces of pesticides, heavy metals, THC, purity of CBD, and other compounds.

See the references below which include products presently and previously sold.


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