There are 3 names in this directory beginning with the letter W.
This balance is reached when all elements (pH, total alkalinity, calcium hardness, total dissolved solids and temperature) are within their proper ranges.
A type of bacteria found in nasty looking pool water. White-gray or pink in color, very slimy and difficult to eliminate.
The procedure for leaving the water in the pool over the winter, as opposed to draining. Includes chemical treatment of the standing water, plus physical protection of the pool and its equipment against freezing.