Many uses of Diatomaceous earth
http://www.agrisilica.co.za/diatomsconcentrate.html
http://www.diatoms.co.za/downloads/ENGBrochure.pdf
http://www.durhamhens.co.uk/Diatom.html
Tuesday, March 23, 2010
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Algae have many uses, Treating sewage, Phyto-remediation of polluted lakes and rivers, Biodiesel, food for fish and shrimp. Nualgi is a mircro nutrient that boosts growth of algae.
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