Imerys Usa, Inc.

Marc De Sailly

Philip Jones

Anthony V Lyons

David O Cummings

Peter Biza

Christopher Boothby

Anthony Lyons

David Cummings

Methods of treating water to promote the health of aquatic organisms are described. The method may include introducing pulverized kaolin into the water. The pulverized kaolin may have a particle size distribution such that at least 30% by weight of the particles pass through a 60 mesh screen. For example, the pulverized kaolin may be in the form of a dry powder having a ddiameter less than 300 &#x3bc;m. The pulverized kaolin may remain dispersed or suspended in the water without dispersants and/or surfactants, e.g., to reduce the amount of at least one pathogenic microorganism present in the water and/or to reduce or prevent exposure of aquatic organisms to the pathogenic microorganism(s).

Compositions and methods for treating water

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Roswell, GA, United States of America

Marc De Sailly