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Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
 

Test Kit: A kit containing strips, indicators, et cetera that are used to measure specific pool chemical amounts (such as pH, Hardness and alkalinity levels) in pools or spas. Check out our Water Testing section for all your needs.

Time Clock: Device that controls the periods that a pool filter, pool pump, pool heater, or other electrical device operates to efficiently manage your pool system.

Top Rail: The outer edge of an above-ground pool. Usually in 6", 8" or 9" sizes

Total Alkalinity: TA affects and controls pH: If TA is too high, pH will be hard to adjust. If it's too low, pH will be unstable and difficult to maintain. The ideal range is 80-150 ppm, depending on the interior pool finish. Product suggestions for control; Alkalinity increaser available in 5, 10 and 25 lb pails.

Total Chlorine: The sum of free and combined (Chloramines) chlorine.

Total Dissolved Solids (TDS): The amount of dissolved matter (including calcium, magnesium, carbonates, et cetera) in pool or spa water. To combat its accumulation, your pool or spa will need to be completely drained because TDS continually builds up over time.

Toxic: A chemical state in which a substance has an adverse physiological effect on living things.

TriChlor: A slow-dissolving tablet or stick composed of an organic chlorine compound which provides 90% available chlorine and has a pH of 2.9. Due to its slow-dissolving nature, it must be dispensed using either a floating feeder or an in-line chlorinator. TriChlor also prevents the pool chlorine from being destroyed by the ultraviolet rays of the sun with the help of cyanuric acid. Available in 1" tablets (.5 oz), 3" tablets (7 oz) and sticks (8 oz).

Turnover Rate: The amount of time it takes to completely circulate all the water in a pool or spa.