A plumbing fitting used to change the direction or redirect the flow of water. Some diverter valves are used on pool/spa combinations to allow the use of the hot tub and then switch the flow back to [..]

 The small floating "door" on the side of the skimmer that faces the water over which water flows on its way to the skimmer. Adjusts automatically to small changes in water level to assure a [..]

 The vinyl membrane that acts as the container to hold or contain pool water.

 Devices that use suction to collect dirt from the bottom and sides of a pool or spa. Most common is a vacuum head with wheels that attaches to a telepole and is connected to the suction line, usually [..]

 The cloudy condition of the water due to the presence of extremely fine particles in suspension that cannot be trapped by the filter because they are too small. Adding a clarifier, such as an organic [..]

 A cover that, when placed on the water's surface of a pool, hot tub or hot tub, increases the water temperature by absorption and transmission of solar radiation; reduces evaporation and prevent [..]

 A removable, slotted basket or strainer placed in the skimmer on the suction side of the pump, which is designed to trap floating debris in the water flow from the surface without causing flow restri [..]

 A device installed through the wall of a pool or hot tub that is connected to the suction line of the pump that draws water and floating debris in the water flow from the surface without causing much [..]

 Chemical compounds designed to kill bacteria, algae and other living organisms. Also protects water from the effects of the sun.

 The practice of adding significant amounts of an oxidizing chemical -- (usually non-chlorine oxidizers, such as sodium persulfate or potassium peroxymonosulfate) -- to the water to destroy ammonia an [..]