Hi Daniel,
How is the MSP being created?
Without this info its a bit difficult to make list conversation. EDTA, a
synthetic is normally seen to strip out heavy metals and others not so
heavy. 
regards,
Robert Beasley
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| Does anyone have any factual information on which is better, Mild 
| Silver Protein (MSP) or straight Colloidal Silver (CS)?   The MSP that I
am aware of uses EDTA