Glossary Of Swimming Pool Terms & Definitions - B | Print |
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Glossary Of Swimming Pool Terms & Definitions
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The backing up of water through a pipe in the direction opposite to normal flow.

BACKWASH The process of thoroughly cleaning the filter by reversing the flow of water through it with the dirt and rinse water going to waste.

BACTERIA Single-celled microorganisms of various forms, some of which are undesirable or potentially disease-causing. Bacteria are controlled by chlorine, bromine or other sanitizing and disinfecting agents.

BACTERICIDE A chemical or element that kills, destroys or controls bacteria.

BAKING SODA Chemically called sodium bicarbonate. It is white powder used to raise the total alkalinity of pool or spa water without having much affect on pH.

BALANCED WATER The correct ratio of mineral content and pH level that prevents the water from being corrosive or scale forming.

BALL VALVE A simple non-return valve consisting of a ball resting on a cylindrical seat within a liquid passageway.

BASE Also called basic - A class of compounds which will react with an acid to give a salt. Base is the opposite of an acid. See alkali.

BLEACH This term usually refers to liquid chlorine (sodium hypochlorite 12% available chlorine). It is the same chemical used in laundry bleach but pool chlorine is 12% available chlorine while laundry bleach is about 5 to 6%% available chlorine.

BLOWER An electrical device that produces a continuous rush of air to create the optimal bubbling effect in a spa, hot tub or whirl- pool. It is usually plumbed in with the hydrotherapy jets or to a separate bubbler ring.

BLUE FINGERNAILS A condition caused by too much copper in the pool water. Blue finernails are not caused by chlorine. The copper may get into the water by the bad practice of placing trichlor tabs in the skimmer. This acidic product will cause low-pH water, which will in turn dissolve metals in the equipment. The dissolved metal (usually copper) then stains hair, fingernails and, eventually, pool walls. It can also be caused by keeping the pH too low or misusing acid.

BRKPNT CHLORINATION Breakpoint Chlorination - The process of adding sufficient free available chlorine to completely oxidize all organic matter and ammonia or nitrogen compounds. All chlorine added after that point is free available chlorine.

BROMAMINES By-products formed when bromine reacts with swimmer waste (perspiration or urine), nitrogen or fertilizer. Bromamines are active disinfectants and do not smell, although high levels are body irritants. Bromamines are removed by superchlorination or shock treating.

BROMIDE A common term for a bromide salt used to supply bromide ions to the water so they may be oxidized or changed into hypobromous acid, the killing form of bromine. Used as a disinfectant.

BROMINATOR A mechanical or electrical device for dispensing bromine at a controlled rate. Most often a canister or floater filled with tablets of bromine.

BROMINE A common name for a chemical compound containing bromine that is ued as a disinfectant to destroy bacteria and algae in swimming pools and spas. Available as a tablet or as sodium bromide, a granular salt.

BTU Abbreviation for British Thermal Unit. The amount of heat necessary to raise 1 lb. of water 1 degree Fahrenheit.

BUFFER A substance or compound that stabilizes the pH value of a solution. It is also the water's resistance to change in pH.

BYPASS An arrangement of pipes, gates and valves by which the flow of water may be passed around a piece of equipment or diverted to another piece of equipment; a controlled diversion.

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Salt in Water

When salt is dissolved in water, the sodium and chlorine break apart to form free sodium ions and chloride ions. Effectively keeping your pool clean.

Baracuda G2

A Baracuda G2 has a 36 - finned disc.

Chlorine

The most common and effective sanitiser of swimming pools in the world is Chlorine.

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