Skimmers – the box area at the waterline inside the pool  that water flows through to the filter

Returns – round plastic pieces in the wall opposite the skimmers that return the water from filter

Main Drain –a safety drain that is used in the floor and in the wall of the pool to reduce suction

Rope and Floats – a rope with integrated floats strung across the pool marking the change in depth

Coping – the border edge around your pool adjacent to the patio

Border – the design strip around the top edge of the liner inside your pool

Poolscape – the patio and landscape area around the pool

Hardscape – the patio of stone, pavers, cement, or substance other than grass, around the pool

Patio Border – the outside edge of your patio away from the pool

Vermiculite Hard Bottom – a mix that is used on the bottom of the pool under the liner

pH – the alkalinity measure of pool water to balance the acid level (necessary to protect equipment)

Chlorine – bacteria killing agent for pool water

Cyanuric Acid – agent used to reduce the loss of chlorine by UV rays

Algae – microscopic plants that contaminate your pool water

D. E. – diatomaceous earth - a type of filtering agent used in some filters

Water Chemistry – the balance of acidity and alkalinity for optimum swimming & operation of equipment

Filter – equipment used to filter out particles from the pool water

Pump - equipment used to circulate water from the pool through the filter and heater

Time Clock - a device used to automatically run your pump and filter

Summerizing – preparing your pool with chemistry and equipment for summer swimming