SmartCHALK Gentle


Regular price $4.99

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Keep germs and infections down with the most pure, safe, and smart magnesium carbonate powder.  SmartCHALK is Food-Grade MgCO3 Powder specially manufactured in the USA.

Magnesium Carbonate MgCO3 = 99.9%
Calcium Carbonate CaCO3 = .1%

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