Acid - 1) Level of PH in your pool water – how corrosive it is 2) Liquid you put in your pool to make water chemistry corrections
Air Relief Valve- The small screw valve on the top of a pool filter by the pressure valve. It bleeds off air after you turn the pump on
Algae - A plant type organism that can grow in a pool when not sanitized enough. Types: blue-green or black, mustard yellow, pink slim.
Algae brush - Metal brush used to brush off the top of the spores and allow chlorine to penetrate and kill it.
Algaecide - Surrounds the algae cell causing it to open so chlorine has better chance of killing it.
Alkalinity - Sometimes call Total Alkalinity – proper level helps PH balance and not cause extremes in PH that can cause many problems in chemistry.
Alkalinity increaser - Increases the total alkalinity reading. Sodium Bicarbonate – baking soda.
Automatic controller - Computerized device that controls all equipment functionality automatically.
Automatic Pool Cleaner - Device that automatically vacuums pools, example: Pentair Legend Cleaner.
