Glossary of Water Treatment Terms & Definitions - W

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Water Conditioning

Virtually any form of water treatment designed to improve the quality of water, by neutralization, inhibition or removal of undesirable substances.

Water Hammer

The shock wave produced by the abrupt change of water flow through a piping system. Water hammer produces an instantaneous multiple increase in the pressure normal to the system. The installation of a water hammer arrestor will absorb these shock waves.

Water Softening

The reduction or removal of calcium and magnesium ions which are the principle cause of hardness in water.

WQA

Water Quality Association. Many participants in the POU and POE water conditioning industry are members of this association.