There are 5 names in this directory beginning with the letter E.
The water that flows out of a pump, filter or heater, usually on its way back to the pool or spa.
The resulting color change in a test sample created when you add drops of a given reagent. The number of drops correlates with a measurement.
Break down oily, gooey substances and convert them to water and carbon dioxide.
A device used in some pools where the main drain line is plumbed into the skimmer. Varies the flow from skimmer and main line, usually adjusted before vacuuming.
An ornamental shield, flange or border used around a pipe, plumbing fitting, grab rail or light.