Learn about the different types of contaminants that might put your family at risk.

laminar flow
The form of flow of a fluid in which the flow paths are in smooth, parallel lines with essentially no mixing and no turbulence.
The common name for calcium oxide (CaO); hydrated lime is calcium hydroxide, Ca(OH)2.
lime scale
Hard water scale containing a high percentage of calcium carbonate.
A sedimentary rock, largely calcium carbonate (CaCO3), usually containing significant amounts of magnesium carbonate.Ā  The calcite grade is used in filtration and for pH modification.